111111111x111111111
or just nine 1's times nine 1's
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It is a number that multiplies itself to create a product
12345678987654321 = 12,345,678,987,654,320
its 12345678987654321.
It is a palindrome, reading the same backwards as forwards.
No. The product of two powers of 10 is a power of 10 ... only a ' 1 ' followed by only some zeros.