2153220112 has 20 divisors (see below), whose sum is σ = 4173994876. Its totient is φ = 1076060160.

The previous prime is 2153220109. The next prime is 2153220127. The reversal of 2153220112 is 2110223512.

It can be written as a sum of positive squares in 2 ways, for example, as 1425515536 + 727704576 = 37756^2 + 26976^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 2153220112.

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, 1089 + ... + 65632.

Almost surely, 2^2153220112 is an apocalyptic number.

It is an amenable number.

2153220112 is a deficient number, since it is larger than the sum of its proper divisors (2020774764).

2153220112 is a wasteful number, since it uses less digits than its factorization.

2153220112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68746 (or 68740 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2153220112 is about 46402.8028463799. The cubic root of 2153220112 is about 1291.3069125911.

Adding to 2153220112 its reverse (2110223512), we get a palindrome (4263443624).

The spelling of 2153220112 in words is "two billion, one hundred fifty-three million, two hundred twenty thousand, one hundred twelve".