22100120211 has 16 divisors (see below), whose sum is σ = 31807157760. Its totient is φ = 13568508960.

The previous prime is 22100120209. The next prime is 22100120267. The reversal of 22100120211 is 11202100122.

It is not a de Polignac number, because 22100120211 - 2¹ = 22100120209 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22100120291) 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, 640581 + ... + 674198.

It is an arithmetic number, because the mean of its divisors is an integer number (1987947360).

Almost surely, 2^22100120211 is an apocalyptic number.

22100120211 is a deficient number, since it is larger than the sum of its proper divisors (9707037549).

22100120211 is a wasteful number, since it uses less digits than its factorization.

22100120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1315226.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 22100120211 its reverse (11202100122), we get a palindrome (33302220333).

It can be divided in two parts, 22100 and 120211, that added together give a triangular number (142311 = T₅₃₃).

The spelling of 22100120211 in words is "twenty-two billion, one hundred million, one hundred twenty thousand, two hundred eleven".