10000...00049 (99-digits)

This number is a prime.

                                             100000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000049

The largest non-titanic prime of form 100^n+n for any integer n, (case n=49). Note that there are three smaller than it primes of this form for n=1, 3, 9. [Loungrides]