It is a weak prime.
It is a cyclic number.
It is a congruent number.
Almost surely, 2131002131024221 is an apocalyptic number.
It is an amenable number.
131002131024221 is an equidigital number, since it uses as much as digits as its factorization.
131002131024221 is an evil number, because the sum of its binary digits is even.
Adding to 131002131024221 its reverse (122420131200131), we get a palindrome (253422262224352).
The spelling of 131002131024221 in words is "one hundred thirty-one trillion, two billion, one hundred thirty-one million, twenty-four thousand, two hundred twenty-one".