22100020211 has 4 divisors (see below), whose sum is σ = 22302772800. Its totient is φ = 21897267624.

The previous prime is 22100020177. The next prime is 22100020231. The reversal of 22100020211 is 11202000122.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11202000122 = 2 ⋅5601000061.

It is a cyclic number.

It is not a de Polignac number, because 22100020211 - 2²² = 22095825907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22100020192 and 22100020201.

It is not an unprimeable number, because it can be changed into a prime (22100020231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101376131 + ... + 101376348.

It is an arithmetic number, because the mean of its divisors is an integer number (5575693200).

Almost surely, 2^22100020211 is an apocalyptic number.

22100020211 is a deficient number, since it is larger than the sum of its proper divisors (202752589).

22100020211 is a wasteful number, since it uses less digits than its factorization.

22100020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202752588.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22100020211 its reverse (11202000122), we get a palindrome (33302020333).

The spelling of 22100020211 in words is "twenty-two billion, one hundred million, twenty thousand, two hundred eleven".