81111...11111 (111-digits)

This number is a prime.

                               8 1111111111 1111111111 1111111111 1111111111
1111111111 1111111111 1111111111 1111111111 1111111111 1111111111 1111111111

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An 8 followed by 110 ones is the smallest prime greater than a googol in the sequence 8, 81, 811, 8111, 81111, 811111, 8111111, etc. [Bajpai]