112152152221 has 4 divisors (see below), whose sum is σ = 112158425500. Its totient is φ = 112145878944.

The previous prime is 112152152209. The next prime is 112152152237. The reversal of 112152152221 is 122251251211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 84033892996 + 28118259225 = 289886^2 + 167685^2 .

It is a cyclic number.

It is not a de Polignac number, because 112152152221 - 2¹³ = 112152144029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112152152521) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3109746 + ... + 3145603.

It is an arithmetic number, because the mean of its divisors is an integer number (28039606375).

Almost surely, 2^112152152221 is an apocalyptic number.

It is an amenable number.

112152152221 is a deficient number, since it is larger than the sum of its proper divisors (6273279).

112152152221 is an equidigital number, since it uses as much as digits as its factorization.

112152152221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6273278.

The product of its digits is 800, while the sum is 25.

The spelling of 112152152221 in words is "one hundred twelve billion, one hundred fifty-two million, one hundred fifty-two thousand, two hundred twenty-one".