112572021017 has 4 divisors (see below), whose sum is σ = 112593063936. Its totient is φ = 112550978100.

The previous prime is 112572020963. The next prime is 112572021043. The reversal of 112572021017 is 710120275211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 112572021017 - 2²⁸ = 112303585561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112572024017) 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, 10513433 + ... + 10524134.

It is an arithmetic number, because the mean of its divisors is an integer number (28148265984).

Almost surely, 2^112572021017 is an apocalyptic number.

It is an amenable number.

112572021017 is a deficient number, since it is larger than the sum of its proper divisors (21042919).

112572021017 is an equidigital number, since it uses as much as digits as its factorization.

112572021017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21042918.

The product of its (nonzero) digits is 1960, while the sum is 29.

Adding to 112572021017 its reverse (710120275211), we get a palindrome (822692296228).

The spelling of 112572021017 in words is "one hundred twelve billion, five hundred seventy-two million, twenty-one thousand, seventeen".