66600...00007 (84-digits)

This number is a prime.

                                                             6660 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000007

The largest non-palindromic beastly prime less than a googol. Note that deleting one zero we find another non-palindromic beastly prime. [Loungrides]