2112331144 has 32 divisors (see below), whose sum is σ = 4937918400. Its totient is φ = 822985920.

The previous prime is 2112331127. The next prime is 2112331163. The reversal of 2112331144 is 4411332112.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 1713939 + ... + 1715170.

It is an arithmetic number, because the mean of its divisors is an integer number (154309950).

Almost surely, 2^2112331144 is an apocalyptic number.

It is an amenable number.

2112331144 is an abundant number, since it is smaller than the sum of its proper divisors (2825587256).

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

2112331144 is a wasteful number, since it uses less digits than its factorization.

2112331144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3429133 (or 3429129 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 2112331144 is about 45960.1038292996. The cubic root of 2112331144 is about 1283.0807837812.

Adding to 2112331144 its reverse (4411332112), we get a palindrome (6523663256).

The spelling of 2112331144 in words is "two billion, one hundred twelve million, three hundred thirty-one thousand, one hundred forty-four".