112280636921 has 2 divisors, whose sum is σ = 112280636922. Its totient is φ = 112280636920.

The previous prime is 112280636903. The next prime is 112280636959. The reversal of 112280636921 is 129636082211.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 104290243600 + 7990393321 = 322940^2 + 89389^2 .

It is an emirp because it is prime and its reverse (129636082211) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 112280636921 - 2²² = 112276442617 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (112280636521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56140318460 + 56140318461.

It is an arithmetic number, because the mean of its divisors is an integer number (56140318461).

Almost surely, 2^112280636921 is an apocalyptic number.

It is an amenable number.

112280636921 is a deficient number, since it is larger than the sum of its proper divisors (1).

112280636921 is an equidigital number, since it uses as much as digits as its factorization.

112280636921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 41.

The spelling of 112280636921 in words is "one hundred twelve billion, two hundred eighty million, six hundred thirty-six thousand, nine hundred twenty-one".