22121002201123 has 32 divisors (see below), whose sum is σ = 25924812480000. Its totient is φ = 18484136928000.

The previous prime is 22121002201097. The next prime is 22121002201139. The reversal of 22121002201123 is 32110220012122.

It is a cyclic number.

It is not a de Polignac number, because 22121002201123 - 2¹⁷ = 22121002070051 is a prime.

It is a super-2 number, since 2×22121002201123² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22121002201123.

It is not an unprimeable number, because it can be changed into a prime (22121002201163) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23272903 + ... + 24204751.

It is an arithmetic number, because the mean of its divisors is an integer number (810150390000).

Almost surely, 2^{22121002201123} is an apocalyptic number.

22121002201123 is a deficient number, since it is larger than the sum of its proper divisors (3803810278877).

22121002201123 is a wasteful number, since it uses less digits than its factorization.

22121002201123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932395.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 22121002201123 its reverse (32110220012122), we get a palindrome (54231222213245).

The spelling of 22121002201123 in words is "twenty-two trillion, one hundred twenty-one billion, two million, two hundred one thousand, one hundred twenty-three".