131102001021 has 16 divisors (see below), whose sum is σ = 189599453568. Its totient is φ = 80253734400.

The previous prime is 131102001013. The next prime is 131102001031. The reversal of 131102001021 is 120100201131.

It is not a de Polignac number, because 131102001021 - 2³ = 131102001013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131102000988 and 131102001006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131102001011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31347025 + ... + 31351206.

It is an arithmetic number, because the mean of its divisors is an integer number (11849965848).

Almost surely, 2^131102001021 is an apocalyptic number.

It is an amenable number.

131102001021 is a deficient number, since it is larger than the sum of its proper divisors (58497452547).

131102001021 is a wasteful number, since it uses less digits than its factorization.

131102001021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62698292.

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 131102001021 its reverse (120100201131), we get a palindrome (251202202152).

The spelling of 131102001021 in words is "one hundred thirty-one billion, one hundred two million, one thousand, twenty-one".