It is a weak prime.
It is a cyclic number.
Almost surely, 2101101100000521 is an apocalyptic number.
It is an amenable number.
101101100000521 is an equidigital number, since it uses as much as digits as its factorization.
101101100000521 is an odious number, because the sum of its binary digits is odd.
Adding to 101101100000521 its reverse (125000001101101), we get a palindrome (226101101101622).
The spelling of 101101100000521 in words is "one hundred one trillion, one hundred one billion, one hundred million, five hundred twenty-one", and thus it is an aban number.