113221242191 has 2 divisors, whose sum is σ = 113221242192. Its totient is φ = 113221242190.

The previous prime is 113221242187. The next prime is 113221242217. The reversal of 113221242191 is 191242122311.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 113221242191 - 2² = 113221242187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113221242181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610621095 + 56610621096.

It is an arithmetic number, because the mean of its divisors is an integer number (56610621096).

Almost surely, 2^113221242191 is an apocalyptic number.

113221242191 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221242191 is an equidigital number, since it uses as much as digits as its factorization.

113221242191 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 29.

The spelling of 113221242191 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred forty-two thousand, one hundred ninety-one".