112212291 has 16 divisors (see below), whose sum is σ = 159905664. Its totient is φ = 69746304.

The previous prime is 112212283. The next prime is 112212299. The reversal of 112212291 is 192212211.

It is an interprime number because it is at equal distance from previous prime (112212283) and next prime (112212299).

It is not a de Polignac number, because 112212291 - 2³ = 112212283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (112212299) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4825 + ... + 15738.

It is an arithmetic number, because the mean of its divisors is an integer number (9994104).

Almost surely, 2^112212291 is an apocalyptic number.

112212291 is a deficient number, since it is larger than the sum of its proper divisors (47693373).

112212291 is a wasteful number, since it uses less digits than its factorization.

112212291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20690.

The product of its digits is 144, while the sum is 21.

The square root of 112212291 is about 10593.0303029870. The cubic root of 112212291 is about 482.3328150854.

The spelling of 112212291 in words is "one hundred twelve million, two hundred twelve thousand, two hundred ninety-one".