2312111022011 has 16 divisors (see below), whose sum is σ = 2646960741120. Its totient is φ = 1978400440800.

The previous prime is 2312111021989. The next prime is 2312111022017. The reversal of 2312111022011 is 1102201112132.

It is a happy number.

It is not a de Polignac number, because 2312111022011 - 2²² = 2312106827707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2312111022017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13368236 + ... + 13540086.

It is an arithmetic number, because the mean of its divisors is an integer number (165435046320).

Almost surely, 2^{2312111022011} is an apocalyptic number.

2312111022011 is a deficient number, since it is larger than the sum of its proper divisors (334849719109).

2312111022011 is a wasteful number, since it uses less digits than its factorization.

2312111022011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175154.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 2312111022011 its reverse (1102201112132), we get a palindrome (3414312134143).

The spelling of 2312111022011 in words is "two trillion, three hundred twelve billion, one hundred eleven million, twenty-two thousand, eleven".