122311022132131 has 12 divisors (see below), whose sum is σ = 143186411723808. Its totient is φ = 104170260881232.

The previous prime is 122311022132093. The next prime is 122311022132147. The reversal of 122311022132131 is 131231220113221.

It is not a de Polignac number, because 122311022132131 - 2⁹ = 122311022131619 is a prime.

It is a super-2 number, since 2×122311022132131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 122311022132096 and 122311022132105.

It is not an unprimeable number, because it can be changed into a prime (122311022132161) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7949493291 + ... + 7949508676.

It is an arithmetic number, because the mean of its divisors is an integer number (11932200976984).

Almost surely, 2^{122311022132131} is an apocalyptic number.

122311022132131 is a deficient number, since it is larger than the sum of its proper divisors (20875389591677).

122311022132131 is a wasteful number, since it uses less digits than its factorization.

122311022132131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15899002138 (or 15899002131 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 122311022132131 its reverse (131231220113221), we get a palindrome (253542242245352).

The spelling of 122311022132131 in words is "one hundred twenty-two trillion, three hundred eleven billion, twenty-two million, one hundred thirty-two thousand, one hundred thirty-one".