2222112120 has 32 divisors (see below), whose sum is σ = 6666336720. Its totient is φ = 592563200.

The previous prime is 2222112119. The next prime is 2222112157. The reversal of 2222112120 is 212112222.

2222112120 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2222112120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9258681 + ... + 9258920.

Almost surely, 2^2222112120 is an apocalyptic number.

2222112120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222112120 is an abundant number, since it is smaller than the sum of its proper divisors (4444224600).

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

2222112120 is a wasteful number, since it uses less digits than its factorization.

2222112120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18517615 (or 18517611 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2222112120 is about 47139.2842542184. The cubic root of 2222112120 is about 1304.9343282523.

Adding to 2222112120 its reverse (212112222), we get a palindrome (2434224342).

The spelling of 2222112120 in words is "two billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twenty".