2112300191 has 2 divisors, whose sum is σ = 2112300192. Its totient is φ = 2112300190.

The previous prime is 2112300181. The next prime is 2112300217. The reversal of 2112300191 is 1910032112.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2112300191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2112300121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056150095 + 1056150096.

It is an arithmetic number, because the mean of its divisors is an integer number (1056150096).

Almost surely, 2^2112300191 is an apocalyptic number.

2112300191 is a deficient number, since it is larger than the sum of its proper divisors (1).

2112300191 is an equidigital number, since it uses as much as digits as its factorization.

2112300191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 20.

The square root of 2112300191 is about 45959.7670903585. The cubic root of 2112300191 is about 1283.0745165515.

The spelling of 2112300191 in words is "two billion, one hundred twelve million, three hundred thousand, one hundred ninety-one".