10000...79261 (101-digits)

This number is a prime.

                                          1 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0001902654 8209879261

This prime number p starts the smallest googol sexy prime quadruplet pair, where p, p+6, p+12, p+18, p+20, p+26, p+32, p+38 are each prime. [Luhn]