2122222112 has 24 divisors (see below), whose sum is σ = 4184623296. Its totient is φ = 1059460672.

The previous prime is 2122222099. The next prime is 2122222127. The reversal of 2122222112 is 2112222212.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

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, 30548 + ... + 71955.

It is an arithmetic number, because the mean of its divisors is an integer number (174359304).

Almost surely, 2^2122222112 is an apocalyptic number.

It is an amenable number.

2122222112 is a deficient number, since it is larger than the sum of its proper divisors (2062401184).

2122222112 is a wasteful number, since it uses less digits than its factorization.

2122222112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103160 (or 103152 counting only the distinct ones).

The product of its digits is 128, while the sum is 17.

The square root of 2122222112 is about 46067.5820073075. The cubic root of 2122222112 is about 1285.0803367438.

Adding to 2122222112 its reverse (2112222212), we get a palindrome (4234444324).

It can be divided in two parts, 21222 and 22112, that added together give a palindrome (43334).

The spelling of 2122222112 in words is "two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred twelve".