22100021222211 has 48 divisors (see below), whose sum is σ = 32296013568000. Its totient is φ = 14561438967936.

The previous prime is 22100021222207. The next prime is 22100021222267. The reversal of 22100021222211 is 11222212000122.

It is a happy number.

22100021222211 is a `hidden beast` number, since 2 + 210 + 0 + 0 + 21 + 222 + 211 = 666.

It is not a de Polignac number, because 22100021222211 - 2² = 22100021222207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22100021222291) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 990887886 + ... + 990910188.

It is an arithmetic number, because the mean of its divisors is an integer number (672833616000).

Almost surely, 2^{22100021222211} is an apocalyptic number.

22100021222211 is a deficient number, since it is larger than the sum of its proper divisors (10195992345789).

22100021222211 is a wasteful number, since it uses less digits than its factorization.

22100021222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24480 (or 24477 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 22100021222211 its reverse (11222212000122), we get a palindrome (33322233222333).

The spelling of 22100021222211 in words is "twenty-two trillion, one hundred billion, twenty-one million, two hundred twenty-two thousand, two hundred eleven".