131130020220101 has 16 divisors (see below), whose sum is σ = 151548340504320. Its totient is φ = 111133091794560.

The previous prime is 131130020220061. The next prime is 131130020220119. The reversal of 131130020220101 is 101022020031131.

It is a cyclic number.

It is not a de Polignac number, because 131130020220101 - 2²² = 131130016025797 is a prime.

It is a super-2 number, since 2×131130020220101² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131130020220101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131130020220181) 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, 60373760 + ... + 62508006.

It is an arithmetic number, because the mean of its divisors is an integer number (9471771281520).

Almost surely, 2^{131130020220101} is an apocalyptic number.

It is an amenable number.

131130020220101 is a deficient number, since it is larger than the sum of its proper divisors (20418320284219).

131130020220101 is an equidigital number, since it uses as much as digits as its factorization.

131130020220101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2232964.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 131130020220101 its reverse (101022020031131), we get a palindrome (232152040251232).

The spelling of 131130020220101 in words is "one hundred thirty-one trillion, one hundred thirty billion, twenty million, two hundred twenty thousand, one hundred one".