10000...00033 (101-digits)

This number is a composite.

                                          1 0000000000 0000000000 0000000000
0000000000 0000000000 0000000000 0000000000 0000000000 0000000000 0000000033

+ 10^100 + 33 is the smallest semiprime greater than a googol. [Gupta]

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