113033221 has 16 divisors (see below), whose sum is σ = 138830976. Its totient is φ = 89819136.

The previous prime is 113033209. The next prime is 113033243. The reversal of 113033221 is 122330311.

It is a cyclic number.

It is not a de Polignac number, because 113033221 - 2⁵ = 113033189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 113033195 and 113033204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113033021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 885 + ... + 15061.

It is an arithmetic number, because the mean of its divisors is an integer number (8676936).

Almost surely, 2^113033221 is an apocalyptic number.

It is an amenable number.

113033221 is a deficient number, since it is larger than the sum of its proper divisors (25797755).

113033221 is a wasteful number, since it uses less digits than its factorization.

113033221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14268.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 113033221 is about 10631.7082823035. The cubic root of 113033221 is about 483.5061856066.

Adding to 113033221 its reverse (122330311), we get a palindrome (235363532).

The spelling of 113033221 in words is "one hundred thirteen million, thirty-three thousand, two hundred twenty-one".