22122011211 has 32 divisors (see below), whose sum is σ = 30459179520. Its totient is φ = 14273301504.

The previous prime is 22122011189. The next prime is 22122011213. The reversal of 22122011211 is 11211022122.

It is not a de Polignac number, because 22122011211 - 2⁷ = 22122011083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22122011213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7603225 + ... + 7606133.

It is an arithmetic number, because the mean of its divisors is an integer number (951849360).

Almost surely, 2^22122011211 is an apocalyptic number.

22122011211 is a deficient number, since it is larger than the sum of its proper divisors (8337168309).

22122011211 is a wasteful number, since it uses less digits than its factorization.

22122011211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3475.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 22122011211 its reverse (11211022122), we get a palindrome (33333033333).

The spelling of 22122011211 in words is "twenty-two billion, one hundred twenty-two million, eleven thousand, two hundred eleven".