2152170112 has 32 divisors (see below), whose sum is σ = 4292714880. Its totient is φ = 1074782976.

The previous prime is 2152170107. The next prime is 2152170149. The reversal of 2152170112 is 2110712512.

It is a tau number, because it is divible by the number of its divisors (32).

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, 100723 + ... + 120205.

It is an arithmetic number, because the mean of its divisors is an integer number (134147340).

Almost surely, 2^2152170112 is an apocalyptic number.

It is an amenable number.

2152170112 is a deficient number, since it is larger than the sum of its proper divisors (2140544768).

2152170112 is an equidigital number, since it uses as much as digits as its factorization.

2152170112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20360 (or 20348 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 22.

The square root of 2152170112 is about 46391.4874950136. The cubic root of 2152170112 is about 1291.0969800806.

Adding to 2152170112 its reverse (2110712512), we get a palindrome (4262882624).

The spelling of 2152170112 in words is "two billion, one hundred fifty-two million, one hundred seventy thousand, one hundred twelve".