112464442721 has 4 divisors (see below), whose sum is σ = 115504022292. Its totient is φ = 109424863152.

The previous prime is 112464442709. The next prime is 112464442747. The reversal of 112464442721 is 127244464211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 127244464211 = 17 ⋅7484968483.

It can be written as a sum of positive squares in 2 ways, for example, as 84543703696 + 27920739025 = 290764^2 + 167095^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112464442721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112464442921) 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, 1519789730 + ... + 1519789803.

It is an arithmetic number, because the mean of its divisors is an integer number (28876005573).

Almost surely, 2^112464442721 is an apocalyptic number.

It is an amenable number.

112464442721 is a deficient number, since it is larger than the sum of its proper divisors (3039579571).

112464442721 is an equidigital number, since it uses as much as digits as its factorization.

112464442721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3039579570.

The product of its digits is 86016, while the sum is 38.

The spelling of 112464442721 in words is "one hundred twelve billion, four hundred sixty-four million, four hundred forty-two thousand, seven hundred twenty-one".