22101122001211 has 32 divisors (see below), whose sum is σ = 24862756579776. Its totient is φ = 19477267200000.

The previous prime is 22101122001191. The next prime is 22101122001247. The reversal of 22101122001211 is 11210022110122.

It is a cyclic number.

It is not a de Polignac number, because 22101122001211 - 2²⁵ = 22101088446779 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22101122001251) 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, 10116561 + ... + 12105661.

It is an arithmetic number, because the mean of its divisors is an integer number (776961143118).

Almost surely, 2^{22101122001211} is an apocalyptic number.

22101122001211 is a deficient number, since it is larger than the sum of its proper divisors (2761634578565).

22101122001211 is a wasteful number, since it uses less digits than its factorization.

22101122001211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1989423.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 22101122001211 its reverse (11210022110122), we get a palindrome (33311144111333).

It can be divided in two parts, 221011 and 22001211, that added together give a palindrome (22222222).

The spelling of 22101122001211 in words is "twenty-two trillion, one hundred one billion, one hundred twenty-two million, one thousand, two hundred eleven".