2311112001 has 16 divisors (see below), whose sum is σ = 3378691008. Its totient is φ = 1393560000.

The previous prime is 2311111991. The next prime is 2311112021. The reversal of 2311112001 is 1002111132.

It is not a de Polignac number, because 2311112001 - 2²⁹ = 1774241089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2311112021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171250 + ... + 184251.

It is an arithmetic number, because the mean of its divisors is an integer number (211168188).

Almost surely, 2^2311112001 is an apocalyptic number.

It is an amenable number.

2311112001 is a deficient number, since it is larger than the sum of its proper divisors (1067579007).

2311112001 is a wasteful number, since it uses less digits than its factorization.

2311112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355712.

The product of its (nonzero) digits is 12, while the sum is 12.

The square root of 2311112001 is about 48074.0262615895. The cubic root of 2311112001 is about 1322.1284914815.

Adding to 2311112001 its reverse (1002111132), we get a palindrome (3313223133).

The spelling of 2311112001 in words is "two billion, three hundred eleven million, one hundred twelve thousand, one".