122113220031221 has 16 divisors (see below), whose sum is σ = 124708745629440. Its totient is φ = 119528509351680.

The previous prime is 122113220031161. The next prime is 122113220031239. The reversal of 122113220031221 is 122130022311221.

It is a cyclic number.

It is not a de Polignac number, because 122113220031221 - 2³⁴ = 122096040162037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (122113220031281) 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, 874723136 + ... + 874862726.

It is an arithmetic number, because the mean of its divisors is an integer number (7794296601840).

Almost surely, 2^{122113220031221} is an apocalyptic number.

It is an amenable number.

122113220031221 is a deficient number, since it is larger than the sum of its proper divisors (2595525598219).

122113220031221 is a wasteful number, since it uses less digits than its factorization.

122113220031221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178196.

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

Adding to 122113220031221 its reverse (122130022311221), we get a palindrome (244243242342442).

The spelling of 122113220031221 in words is "one hundred twenty-two trillion, one hundred thirteen billion, two hundred twenty million, thirty-one thousand, two hundred twenty-one".