22013020121124 has 24 divisors (see below), whose sum is σ = 51371427229920. Its totient is φ = 7336571428864.

The previous prime is 22013020121077. The next prime is 22013020121149. The reversal of 22013020121124 is 42112102031022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22013020121124.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137659869 + ... + 137819684.

It is an arithmetic number, because the mean of its divisors is an integer number (2140476134580).

Almost surely, 2^{22013020121124} is an apocalyptic number.

It is an amenable number.

22013020121124 is an abundant number, since it is smaller than the sum of its proper divisors (29358407108796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22013020121124 is a wasteful number, since it uses less digits than its factorization.

22013020121124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275486219 (or 275486217 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 22013020121124 its reverse (42112102031022), we get a palindrome (64125122152146).

The spelling of 22013020121124 in words is "twenty-two trillion, thirteen billion, twenty million, one hundred twenty-one thousand, one hundred twenty-four".