112212211220191 has 2 divisors, whose sum is σ = 112212211220192. Its totient is φ = 112212211220190.

The previous prime is 112212211220189. The next prime is 112212211220257. The reversal of 112212211220191 is 191022112212211.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 112212211220191 - 2¹ = 112212211220189 is a prime.

Together with 112212211220189, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (112212211290191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106105610095 + 56106105610096.

It is an arithmetic number, because the mean of its divisors is an integer number (56106105610096).

Almost surely, 2^{112212211220191} is an apocalyptic number.

112212211220191 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212211220191 is an equidigital number, since it uses as much as digits as its factorization.

112212211220191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 112212211220191 in words is "one hundred twelve trillion, two hundred twelve billion, two hundred eleven million, two hundred twenty thousand, one hundred ninety-one".