113133211 has 4 divisors (see below), whose sum is σ = 113155000. Its totient is φ = 113111424.

The previous prime is 113133203. The next prime is 113133253. The reversal of 113133211 is 112331311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113133211 - 2³ = 113133203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113133271) 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, 1915 + ... + 15163.

It is an arithmetic number, because the mean of its divisors is an integer number (28288750).

Almost surely, 2^113133211 is an apocalyptic number.

113133211 is a deficient number, since it is larger than the sum of its proper divisors (21789).

113133211 is an equidigital number, since it uses as much as digits as its factorization.

113133211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21788.

The product of its digits is 54, while the sum is 16.

The square root of 113133211 is about 10636.4096856035. The cubic root of 113133211 is about 483.6487146035.

Adding to 113133211 its reverse (112331311), we get a palindrome (225464522).

The spelling of 113133211 in words is "one hundred thirteen million, one hundred thirty-three thousand, two hundred eleven".