99899...99899 (223-digits)

This number is a prime.

                                                              998 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999999999
9999999999 9999999999 9998999989 9998999999 9999999999 9999999999 9999999999
9999999999 9999999999 9999999999 9999999999 9999999999 9999999999 9999999899

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

10²²³ - 10²²⁰ - 10¹¹¹ - 10¹⁰⁶ x (10¹⁰ + 1) - 101 is the smallest palindromic prime with a digit sum of 2002. [Luhn]