112110091 has 2 divisors, whose sum is σ = 112110092. Its totient is φ = 112110090.

The previous prime is 112110077. The next prime is 112110107. The reversal of 112110091 is 190011211.

It is an a-pointer prime, because the next prime (112110107) can be obtained adding 112110091 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112110091 - 2⁹ = 112109579 is a prime.

It is not a weakly prime, because it can be changed into another prime (112110001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56055045 + 56055046.

It is an arithmetic number, because the mean of its divisors is an integer number (56055046).

Almost surely, 2^112110091 is an apocalyptic number.

112110091 is a deficient number, since it is larger than the sum of its proper divisors (1).

112110091 is an equidigital number, since it uses as much as digits as its factorization.

112110091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 16.

The square root of 112110091 is about 10588.2052775718. The cubic root of 112110091 is about 482.1863385981.

The spelling of 112110091 in words is "one hundred twelve million, one hundred ten thousand, ninety-one".