112011191 has 2 divisors, whose sum is σ = 112011192. Its totient is φ = 112011190.

The previous prime is 112011187. The next prime is 112011227. The reversal of 112011191 is 191110211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112011191 - 2² = 112011187 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112011391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56005595 + 56005596.

It is an arithmetic number, because the mean of its divisors is an integer number (56005596).

Almost surely, 2^112011191 is an apocalyptic number.

112011191 is a deficient number, since it is larger than the sum of its proper divisors (1).

112011191 is an equidigital number, since it uses as much as digits as its factorization.

112011191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 17.

The square root of 112011191 is about 10583.5339561037. The cubic root of 112011191 is about 482.0445070040.

The spelling of 112011191 in words is "one hundred twelve million, eleven thousand, one hundred ninety-one".