122131010231 has 4 divisors (see below), whose sum is σ = 122250630264. Its totient is φ = 122011390200.

The previous prime is 122131010213. The next prime is 122131010269. The reversal of 122131010231 is 132010131221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132010131221 = 194981 ⋅677041.

It is a cyclic number.

It is not a de Polignac number, because 122131010231 - 2⁶ = 122131010167 is a prime.

It is a super-2 number, since 2×122131010231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122131013231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59808485 + ... + 59810526.

It is an arithmetic number, because the mean of its divisors is an integer number (30562657566).

Almost surely, 2^122131010231 is an apocalyptic number.

122131010231 is a deficient number, since it is larger than the sum of its proper divisors (119620033).

122131010231 is a wasteful number, since it uses less digits than its factorization.

122131010231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119620032.

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

Adding to 122131010231 its reverse (132010131221), we get a palindrome (254141141452).

The spelling of 122131010231 in words is "one hundred twenty-two billion, one hundred thirty-one million, ten thousand, two hundred thirty-one".