112110661 has 4 divisors (see below), whose sum is σ = 120734572. Its totient is φ = 103486752.

The previous prime is 112110617. The next prime is 112110683. The reversal of 112110661 is 166011211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166011211 = 53 ⋅3132287.

It can be written as a sum of positive squares in 2 ways, for example, as 46662561 + 65448100 = 6831^2 + 8090^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112110661 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112110161) 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, 4311936 + ... + 4311961.

It is an arithmetic number, because the mean of its divisors is an integer number (30183643).

Almost surely, 2^112110661 is an apocalyptic number.

It is an amenable number.

112110661 is a deficient number, since it is larger than the sum of its proper divisors (8623911).

112110661 is an equidigital number, since it uses as much as digits as its factorization.

112110661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8623910.

The product of its (nonzero) digits is 72, while the sum is 19.

The square root of 112110661 is about 10588.2321942806. The cubic root of 112110661 is about 482.1871557882.

Adding to 112110661 its reverse (166011211), we get a palindrome (278121872).

The spelling of 112110661 in words is "one hundred twelve million, one hundred ten thousand, six hundred sixty-one".