22013020121121 has 64 divisors (see below), whose sum is σ = 33861928531200. Its totient is φ = 14116633509888.

The previous prime is 22013020121077. The next prime is 22013020121149. The reversal of 22013020121121 is 12112102031022.

22013020121121 is a `hidden beast` number, since 2 + 201 + 30 + 201 + 211 + 21 = 666.

It is not a de Polignac number, because 22013020121121 - 2¹⁴ = 22013020104737 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 22013020121094 and 22013020121103.

It is not an unprimeable number, because it can be changed into a prime (22013020121321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 551173665 + ... + 551213601.

It is an arithmetic number, because the mean of its divisors is an integer number (529092633300).

Almost surely, 2^{22013020121121} is an apocalyptic number.

It is an amenable number.

22013020121121 is a deficient number, since it is larger than the sum of its proper divisors (11848908410079).

22013020121121 is a wasteful number, since it uses less digits than its factorization.

22013020121121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42575 (or 42569 counting only the distinct ones).

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

Adding to 22013020121121 its reverse (12112102031022), we get a palindrome (34125122152143).

The spelling of 22013020121121 in words is "twenty-two trillion, thirteen billion, twenty million, one hundred twenty-one thousand, one hundred twenty-one".