112020091 has 2 divisors, whose sum is σ = 112020092. Its totient is φ = 112020090.

The previous prime is 112020079. The next prime is 112020107. The reversal of 112020091 is 190020211.

It is an a-pointer prime, because the next prime (112020107) can be obtained adding 112020091 to its sum of digits (16).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112020091 is a prime.

It is not a weakly prime, because it can be changed into another prime (112020061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010045 + 56010046.

It is an arithmetic number, because the mean of its divisors is an integer number (56010046).

Almost surely, 2^112020091 is an apocalyptic number.

112020091 is a deficient number, since it is larger than the sum of its proper divisors (1).

112020091 is an equidigital number, since it uses as much as digits as its factorization.

112020091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

The square root of 112020091 is about 10583.9544122223. The cubic root of 112020091 is about 482.0572738310.

The spelling of 112020091 in words is "one hundred twelve million, twenty thousand, ninety-one".