2110222120 has 32 divisors (see below), whose sum is σ = 4911726600. Its totient is φ = 814981888.

The previous prime is 2110222109. The next prime is 2110222123. The reversal of 2110222120 is 212220112.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2021221764 + 89000356 = 44958^2 + 9434^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2110222120.

It is not an unprimeable number, because it can be changed into a prime (2110222123) by changing a digit.

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, 908419 + ... + 910738.

Almost surely, 2^2110222120 is an apocalyptic number.

2110222120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2110222120 is an abundant number, since it is smaller than the sum of its proper divisors (2801504480).

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

2110222120 is a wasteful number, since it uses less digits than its factorization.

2110222120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1819197 (or 1819193 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2110222120 is about 45937.1540259080. The cubic root of 2110222120 is about 1282.6536176022.

Adding to 2110222120 its reverse (212220112), we get a palindrome (2322442232).

The spelling of 2110222120 in words is "two billion, one hundred ten million, two hundred twenty-two thousand, one hundred twenty".