113221227191 has 2 divisors, whose sum is σ = 113221227192. Its totient is φ = 113221227190.

The previous prime is 113221227167. The next prime is 113221227299. The reversal of 113221227191 is 191722122311.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113221227191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (113221223191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56610613595 + 56610613596.

It is an arithmetic number, because the mean of its divisors is an integer number (56610613596).

Almost surely, 2^113221227191 is an apocalyptic number.

113221227191 is a deficient number, since it is larger than the sum of its proper divisors (1).

113221227191 is an equidigital number, since it uses as much as digits as its factorization.

113221227191 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3024, while the sum is 32.

The spelling of 113221227191 in words is "one hundred thirteen billion, two hundred twenty-one million, two hundred twenty-seven thousand, one hundred ninety-one".