112110100021891 has 2 divisors, whose sum is σ = 112110100021892. Its totient is φ = 112110100021890.

The previous prime is 112110100021837. The next prime is 112110100021897. The reversal of 112110100021891 is 198120001011211.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112110100021891 - 2¹⁵ = 112110099989123 is a prime.

It is not a weakly prime, because it can be changed into another prime (112110100021897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055050010945 + 56055050010946.

It is an arithmetic number, because the mean of its divisors is an integer number (56055050010946).

Almost surely, 2^{112110100021891} is an apocalyptic number.

112110100021891 is a deficient number, since it is larger than the sum of its proper divisors (1).

112110100021891 is an equidigital number, since it uses as much as digits as its factorization.

112110100021891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 28.

The spelling of 112110100021891 in words is "one hundred twelve trillion, one hundred ten billion, one hundred million, twenty-one thousand, eight hundred ninety-one".