112202211991 has 2 divisors, whose sum is σ = 112202211992. Its totient is φ = 112202211990.

The previous prime is 112202211973. The next prime is 112202212021. The reversal of 112202211991 is 199112202211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112202211991 - 2⁵ = 112202211959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112202211931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56101105995 + 56101105996.

It is an arithmetic number, because the mean of its divisors is an integer number (56101105996).

Almost surely, 2^112202211991 is an apocalyptic number.

112202211991 is a deficient number, since it is larger than the sum of its proper divisors (1).

112202211991 is an equidigital number, since it uses as much as digits as its factorization.

112202211991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 31.

The spelling of 112202211991 in words is "one hundred twelve billion, two hundred two million, two hundred eleven thousand, nine hundred ninety-one".