10000...00001 (131-digits)

This number is a prime.

         1 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0001110000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001

+ The smallest palindromic prime larger than a googol that is of palindromic prime length. Note also that it is comprised of only binary digits, and has prime digital sum. [Patterson]

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