About Palindrome 22 and others as well

22 is a palindrome and features in Joseph Heller's book Catch-22

The star-nosed mole has 22 pink, fleshy "feelers" at the end of its snout.
[ communicated by G. L. Honaker, Jr. dd. December 12, 2000 ]

33 is a palindrome and I quote from John Grant's work "A book of Numbers"
'The human backbone is made up of 33 vertebrae,
the lower 9 of which are fused together while the upper 24 are joined with ligaments'

88 is a palindrome and I quote again from John Grant's work "A book of Numbers"
'There are 88 keys on the standard piano keyboard, of which 52 are white and 36 are black'

99 is a palindrome and features in Nena's song Neunundneunzig Luftballons

101 is a palindrome and features in Disney's film 101 Dalmatians

212 is a palindrome and the boiling point of water in degrees Fahrenheit.

242 is a palindrome and the guys from Front 242
are the godfathers (orig. Belgium) of Electronic Body Music.

1001 is a palindrome and we all heard about the 1001 Fairy Tales from the Palace of Pleasure.

Bonus : What is the Arabian Nights factorial, the number x such that x! has 1001 digits ?