1110110110111

This number is a prime.

                                                              111 0110110111

+ The only anti-Yarborough palindromic prime less than a googol formed by inserting between two identical palindromic repunit primes, i.e., (11), n identical 3-digit palindromic anti-Yarborough primes, i.e., (101), (n=3). [Loungrides]

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