11111...11117 (131-digits)

This number is a prime.

1 1111111111 1111111111 1111111111 1111111111 1111111111 1111111111
1111111111 1111111111 1111111111 1111111111 1111111111 1111111111 1111111117

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The smallest near-repdigit prime P greater than a googol found in the sequence 7, 17, 117, 1117, 11117, 111117, etc. Curiously, the sod(P)is also prime . [Bajpai]

Submitted: 2019-03-14 00:20:47; Last Modified: 2019-03-14 00:30:12.