112212220291 has 2 divisors, whose sum is σ = 112212220292. Its totient is φ = 112212220290.

The previous prime is 112212220121. The next prime is 112212220349. The reversal of 112212220291 is 192022212211.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 112212220291 - 2¹⁷ = 112212089219 is a prime.

It is not a weakly prime, because it can be changed into another prime (112212220391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56106110145 + 56106110146.

It is an arithmetic number, because the mean of its divisors is an integer number (56106110146).

Almost surely, 2^112212220291 is an apocalyptic number.

112212220291 is a deficient number, since it is larger than the sum of its proper divisors (1).

112212220291 is an equidigital number, since it uses as much as digits as its factorization.

112212220291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 25.

The spelling of 112212220291 in words is "one hundred twelve billion, two hundred twelve million, two hundred twenty thousand, two hundred ninety-one".