11122...22111 (37-digits)

This number is a prime.

1112223 3355577715 2725177755 5333222111

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An 'un-holey' prime palindrome with 'un-holey' prime length and 'un-holey' prime digital sum. [Patterson]

Submitted: 2003-08-21 12:29:06; Last Modified: 2008-01-30 17:28:00.