11011...11011 (221-digits)

This number is a prime.

                                                                1 1011000110
0000110000 0001100000 0000110000 0000000110 0000000000 0011000000 0200000001
1000000023 2000000011 0000000235 3200000001 1000000023 2000000011 0000000200
0000011000 0000000000 1100000000 0001100000 0000110000 0001100000 1100011011

Just showing those entries submitted by 'Patterson': (Click here to show all)

The smallest diamond-congruent prime of order 11 containing a prime sum of digits. [Patterson]