10000...00001 (205-digits)

This number is a prime.

     10000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000007770 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000001

+ This "lucky" palindromic prime is 777 bounded by 100 zeros and then 1's. [Patterson]

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