112319988721 has 2 divisors, whose sum is σ = 112319988722. Its totient is φ = 112319988720.

The previous prime is 112319988701. The next prime is 112319988799. The reversal of 112319988721 is 127889913211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65605650496 + 46714338225 = 256136^2 + 216135^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112319988721 is a prime.

It is not a weakly prime, because it can be changed into another prime (112319988701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56159994360 + 56159994361.

It is an arithmetic number, because the mean of its divisors is an integer number (56159994361).

Almost surely, 2^112319988721 is an apocalyptic number.

It is an amenable number.

112319988721 is a deficient number, since it is larger than the sum of its proper divisors (1).

112319988721 is an equidigital number, since it uses as much as digits as its factorization.

112319988721 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 52.

The spelling of 112319988721 in words is "one hundred twelve billion, three hundred nineteen million, nine hundred eighty-eight thousand, seven hundred twenty-one".