112990897291 has 4 divisors (see below), whose sum is σ = 113115474712. Its totient is φ = 112866319872.

The previous prime is 112990897249. The next prime is 112990897361. The reversal of 112990897291 is 192798099211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 192798099211 = 24029 ⋅8023559.

It is a cyclic number.

It is not a de Polignac number, because 112990897291 - 2⁷ = 112990897163 is a prime.

It is a super-2 number, since 2×112990897291² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112990897391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 62287350 + ... + 62289163.

It is an arithmetic number, because the mean of its divisors is an integer number (28278868678).

Almost surely, 2^112990897291 is an apocalyptic number.

112990897291 is a deficient number, since it is larger than the sum of its proper divisors (124577421).

112990897291 is an equidigital number, since it uses as much as digits as its factorization.

112990897291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124577420.

The product of its (nonzero) digits is 1469664, while the sum is 58.

The spelling of 112990897291 in words is "one hundred twelve billion, nine hundred ninety million, eight hundred ninety-seven thousand, two hundred ninety-one".