112203691 has 4 divisors (see below), whose sum is σ = 112325400. Its totient is φ = 112081984.

The previous prime is 112203677. The next prime is 112203733. The reversal of 112203691 is 196302211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 196302211 = 7 ⋅28043173.

It is a cyclic number.

It is not a de Polignac number, because 112203691 - 2¹⁵ = 112170923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (112203631) 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, 59461 + ... + 61318.

It is an arithmetic number, because the mean of its divisors is an integer number (28081350).

Almost surely, 2^112203691 is an apocalyptic number.

112203691 is a deficient number, since it is larger than the sum of its proper divisors (121709).

112203691 is an equidigital number, since it uses as much as digits as its factorization.

112203691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121708.

The product of its (nonzero) digits is 648, while the sum is 25.

The square root of 112203691 is about 10592.6243679270. The cubic root of 112203691 is about 482.3204927032.

The spelling of 112203691 in words is "one hundred twelve million, two hundred three thousand, six hundred ninety-one".