113622113 has 4 divisors (see below), whose sum is σ = 123951408. Its totient is φ = 103292820.

The previous prime is 113622107. The next prime is 113622127. The reversal of 113622113 is 311226311.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 311226311 = 11 ⋅28293301.

It is a cyclic number.

It is not a de Polignac number, because 113622113 - 2⁴ = 113622097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113622143) 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, 5164631 + ... + 5164652.

It is an arithmetic number, because the mean of its divisors is an integer number (30987852).

Almost surely, 2^113622113 is an apocalyptic number.

It is an amenable number.

113622113 is a deficient number, since it is larger than the sum of its proper divisors (10329295).

113622113 is a wasteful number, since it uses less digits than its factorization.

113622113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10329294.

The product of its digits is 216, while the sum is 20.

The square root of 113622113 is about 10659.3673827296. The cubic root of 113622113 is about 484.3444048827.

Adding to 113622113 its reverse (311226311), we get a palindrome (424848424).

It can be divided in two parts, 113 and 622113, that added together give a palindrome (622226).

The spelling of 113622113 in words is "one hundred thirteen million, six hundred twenty-two thousand, one hundred thirteen".