122131301222021 has 16 divisors (see below), whose sum is σ = 150463834195584. Its totient is φ = 96535967863104.

The previous prime is 122131301222003. The next prime is 122131301222041. The reversal of 122131301222021 is 120222103131221.

It is not a de Polignac number, because 122131301222021 - 2⁶ = 122131301221957 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122131301222041) 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, 662347211 + ... + 662531576.

It is an arithmetic number, because the mean of its divisors is an integer number (9403989637224).

Almost surely, 2^{122131301222021} is an apocalyptic number.

It is an amenable number.

122131301222021 is a deficient number, since it is larger than the sum of its proper divisors (28332532973563).

122131301222021 is a wasteful number, since it uses less digits than its factorization.

122131301222021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324879820.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 122131301222021 its reverse (120222103131221), we get a palindrome (242353404353242).

The spelling of 122131301222021 in words is "one hundred twenty-two trillion, one hundred thirty-one billion, three hundred one million, two hundred twenty-two thousand, twenty-one".