112822277521 has 4 divisors (see below), whose sum is σ = 112917809844. Its totient is φ = 112726745200.

The previous prime is 112822277473. The next prime is 112822277531. The reversal of 112822277521 is 125772228211.

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 107919477121 + 4902800400 = 328511^2 + 70020^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112822277521 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112822277531) 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, 47764390 + ... + 47766751.

It is an arithmetic number, because the mean of its divisors is an integer number (28229452461).

Almost surely, 2^112822277521 is an apocalyptic number.

It is an amenable number.

112822277521 is a deficient number, since it is larger than the sum of its proper divisors (95532323).

112822277521 is an equidigital number, since it uses as much as digits as its factorization.

112822277521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95532322.

The product of its digits is 62720, while the sum is 40.

The spelling of 112822277521 in words is "one hundred twelve billion, eight hundred twenty-two million, two hundred seventy-seven thousand, five hundred twenty-one".