112199108891 has 2 divisors, whose sum is σ = 112199108892. Its totient is φ = 112199108890.

The previous prime is 112199108887. The next prime is 112199108927. The reversal of 112199108891 is 198801991211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112199108891 - 2² = 112199108887 is a prime.

It is not a weakly prime, because it can be changed into another prime (112199108831) 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, 56099554445 + 56099554446.

It is an arithmetic number, because the mean of its divisors is an integer number (56099554446).

Almost surely, 2^112199108891 is an apocalyptic number.

112199108891 is a deficient number, since it is larger than the sum of its proper divisors (1).

112199108891 is an equidigital number, since it uses as much as digits as its factorization.

112199108891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 50.

The spelling of 112199108891 in words is "one hundred twelve billion, one hundred ninety-nine million, one hundred eight thousand, eight hundred ninety-one".