2153216112 has 20 divisors (see below), whose sum is σ = 5562475080. Its totient is φ = 717738688.

The previous prime is 2153216053. The next prime is 2153216113. The reversal of 2153216112 is 2116123512.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153216113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22429287 + ... + 22429382.

It is an arithmetic number, because the mean of its divisors is an integer number (278123754).

Almost surely, 2^2153216112 is an apocalyptic number.

It is an amenable number.

2153216112 is an abundant number, since it is smaller than the sum of its proper divisors (3409258968).

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

2153216112 is a wasteful number, since it uses less digits than its factorization.

2153216112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44858680 (or 44858674 counting only the distinct ones).

The product of its digits is 720, while the sum is 24.

The square root of 2153216112 is about 46402.7597455151. The cubic root of 2153216112 is about 1291.3061129777.

Adding to 2153216112 its reverse (2116123512), we get a palindrome (4269339624).

The spelling of 2153216112 in words is "two billion, one hundred fifty-three million, two hundred sixteen thousand, one hundred twelve".