2331220112 has 20 divisors (see below), whose sum is σ = 4864180860. Its totient is φ = 1075947648.

The previous prime is 2331220061. The next prime is 2331220121. The reversal of 2331220112 is 2110221332.

It can be written as a sum of positive squares in 2 ways, for example, as 1038386176 + 1292833936 = 32224^2 + 35956^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5603687 + ... + 5604102.

It is an arithmetic number, because the mean of its divisors is an integer number (243209043).

Almost surely, 2^2331220112 is an apocalyptic number.

It is an amenable number.

2331220112 is an abundant number, since it is smaller than the sum of its proper divisors (2532960748).

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

2331220112 is a wasteful number, since it uses less digits than its factorization.

2331220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11207810 (or 11207804 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2331220112 is about 48282.7102801821. The cubic root of 2331220112 is about 1325.9518708070.

Adding to 2331220112 its reverse (2110221332), we get a palindrome (4441441444).

It can be divided in two parts, 2331220 and 112, that added together give a palindrome (2331332).

The spelling of 2331220112 in words is "two billion, three hundred thirty-one million, two hundred twenty thousand, one hundred twelve".