201311311122222 has 32 divisors (see below), whose sum is σ = 460153021035264. Its totient is φ = 57515907297600.

The previous prime is 201311311122211. The next prime is 201311311122269. The reversal of 201311311122222 is 222221113113102.

It is a junction number, because it is equal to n+sod(n) for n = 201311311122192 and 201311311122201.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65571679 + ... + 68573082.

It is an arithmetic number, because the mean of its divisors is an integer number (14379781907352).

Almost surely, 2^{201311311122222} is an apocalyptic number.

201311311122222 is an abundant number, since it is smaller than the sum of its proper divisors (258841709913042).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201311311122222 is a wasteful number, since it uses less digits than its factorization.

201311311122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134180504.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 201311311122222 its reverse (222221113113102), we get a palindrome (423532424235324).

The spelling of 201311311122222 in words is "two hundred one trillion, three hundred eleven billion, three hundred eleven million, one hundred twenty-two thousand, two hundred twenty-two".