22122312012211 has 16 divisors (see below), whose sum is σ = 23828517644800. Its totient is φ = 20470306959648.

The previous prime is 22122312012197. The next prime is 22122312012239. The reversal of 22122312012211 is 11221021322122.

It is a cyclic number.

It is not a de Polignac number, because 22122312012211 - 2¹⁷ = 22122311881139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22122312012011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83094070 + ... + 83359876.

It is an arithmetic number, because the mean of its divisors is an integer number (1489282352800).

Almost surely, 2^{22122312012211} is an apocalyptic number.

22122312012211 is a deficient number, since it is larger than the sum of its proper divisors (1706205632589).

22122312012211 is a wasteful number, since it uses less digits than its factorization.

22122312012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367738.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 22122312012211 its reverse (11221021322122), we get a palindrome (33343333334333).

The spelling of 22122312012211 in words is "twenty-two trillion, one hundred twenty-two billion, three hundred twelve million, twelve thousand, two hundred eleven".