122021132121 has 48 divisors (see below), whose sum is σ = 208157389440. Its totient is φ = 67430361600.

The previous prime is 122021132113. The next prime is 122021132161. The reversal of 122021132121 is 121231120221.

It is not a de Polignac number, because 122021132121 - 2³ = 122021132113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 122021132094 and 122021132103.

It is not an unprimeable number, because it can be changed into a prime (122021132161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 50625 + ... + 496593.

It is an arithmetic number, because the mean of its divisors is an integer number (4336612280).

Almost surely, 2^122021132121 is an apocalyptic number.

It is an amenable number.

122021132121 is a deficient number, since it is larger than the sum of its proper divisors (86136257319).

122021132121 is a wasteful number, since it uses less digits than its factorization.

122021132121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 446126 (or 446123 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 122021132121 its reverse (121231120221), we get a palindrome (243252252342).

The spelling of 122021132121 in words is "one hundred twenty-two billion, twenty-one million, one hundred thirty-two thousand, one hundred twenty-one".