131010044110021 has 2 divisors, whose sum is σ = 131010044110022. Its totient is φ = 131010044110020.

The previous prime is 131010044110013. The next prime is 131010044110067. The reversal of 131010044110021 is 120011440010131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 109458444893121 + 21551599216900 = 10462239^2 + 4642370^2 .

It is an emirp because it is prime and its reverse (120011440010131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 131010044110021 - 2³ = 131010044110013 is a prime.

It is a super-2 number, since 2×131010044110021² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (131010044110091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65505022055010 + 65505022055011.

It is an arithmetic number, because the mean of its divisors is an integer number (65505022055011).

Almost surely, 2^{131010044110021} is an apocalyptic number.

It is an amenable number.

131010044110021 is a deficient number, since it is larger than the sum of its proper divisors (1).

131010044110021 is an equidigital number, since it uses as much as digits as its factorization.

131010044110021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 131010044110021 its reverse (120011440010131), we get a palindrome (251021484120152).

The spelling of 131010044110021 in words is "one hundred thirty-one trillion, ten billion, forty-four million, one hundred ten thousand, twenty-one".