22120211110121 has 16 divisors (see below), whose sum is σ = 22929960427200. Its totient is φ = 21313601467200.

The previous prime is 22120211110111. The next prime is 22120211110139. The reversal of 22120211110121 is 12101111202122.

It is a cyclic number.

It is not a de Polignac number, because 22120211110121 - 2³⁰ = 22119137368297 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22120211110121.

It is not an unprimeable number, because it can be changed into a prime (22120211110111) 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, 184319666 + ... + 184439636.

It is an arithmetic number, because the mean of its divisors is an integer number (1433122526700).

Almost surely, 2^{22120211110121} is an apocalyptic number.

It is an amenable number.

22120211110121 is a deficient number, since it is larger than the sum of its proper divisors (809749317079).

22120211110121 is a wasteful number, since it uses less digits than its factorization.

22120211110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133000.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22120211110121 its reverse (12101111202122), we get a palindrome (34221322312243).

The spelling of 22120211110121 in words is "twenty-two trillion, one hundred twenty billion, two hundred eleven million, one hundred ten thousand, one hundred twenty-one".