22122210211211 has 16 divisors (see below), whose sum is σ = 24156892448640. Its totient is φ = 20091459938880.

The previous prime is 22122210211207. The next prime is 22122210211219. The reversal of 22122210211211 is 11211201222122.

It is not a de Polignac number, because 22122210211211 - 2² = 22122210211207 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122210211219) 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, 147301220 + ... + 147451326.

It is an arithmetic number, because the mean of its divisors is an integer number (1509805778040).

Almost surely, 2^{22122210211211} is an apocalyptic number.

22122210211211 is a deficient number, since it is larger than the sum of its proper divisors (2034682237429).

22122210211211 is a wasteful number, since it uses less digits than its factorization.

22122210211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163114.

The product of its (nonzero) digits is 128, while the sum is 20.

Adding to 22122210211211 its reverse (11211201222122), we get a palindrome (33333411433333).

The spelling of 22122210211211 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred ten million, two hundred eleven thousand, two hundred eleven".