22120111120211 has 24 divisors (see below), whose sum is σ = 24418702529760. Its totient is φ = 19919035169280.

The previous prime is 22120111120153. The next prime is 22120111120277. The reversal of 22120111120211 is 11202111102122.

It is not a de Polignac number, because 22120111120211 - 2³⁸ = 21845233213267 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 22120111120211.

It is not an unprimeable number, because it can be changed into a prime (22120111122211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 367602935 + ... + 367663103.

It is an arithmetic number, because the mean of its divisors is an integer number (1017445938740).

Almost surely, 2^{22120111120211} is an apocalyptic number.

22120111120211 is a deficient number, since it is larger than the sum of its proper divisors (2298591409549).

22120111120211 is a wasteful number, since it uses less digits than its factorization.

22120111120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77087 (or 77046 counting only the distinct ones).

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

Adding to 22120111120211 its reverse (11202111102122), we get a palindrome (33322222222333).

The spelling of 22120111120211 in words is "twenty-two trillion, one hundred twenty billion, one hundred eleven million, one hundred twenty thousand, two hundred eleven".