131010111201021 has 16 divisors (see below), whose sum is σ = 188124842473344. Its totient is φ = 80618281297344.

The previous prime is 131010111200993. The next prime is 131010111201049. The reversal of 131010111201021 is 120102111010131.

It is an interprime number because it is at equal distance from previous prime (131010111200993) and next prime (131010111201049).

It is not a de Polignac number, because 131010111201021 - 2³⁵ = 130975751462653 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131010111201521) 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, 68325486 + ... + 70216751.

It is an arithmetic number, because the mean of its divisors is an integer number (11757802654584).

Almost surely, 2^{131010111201021} is an apocalyptic number.

It is an amenable number.

131010111201021 is a deficient number, since it is larger than the sum of its proper divisors (57114731272323).

131010111201021 is a wasteful number, since it uses less digits than its factorization.

131010111201021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138566500.

The product of its (nonzero) digits is 12, while the sum is 15.

Adding to 131010111201021 its reverse (120102111010131), we get a palindrome (251112222211152).

The spelling of 131010111201021 in words is "one hundred thirty-one trillion, ten billion, one hundred eleven million, two hundred one thousand, twenty-one".