113356221 has 16 divisors (see below), whose sum is σ = 174581568. Its totient is φ = 64659200.

The previous prime is 113356219. The next prime is 113356279. The reversal of 113356221 is 122653311.

It is a cyclic number.

It is not a de Polignac number, because 113356221 - 2¹ = 113356219 is a prime.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 113356191 and 113356200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113356211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 100470 + ... + 101591.

It is an arithmetic number, because the mean of its divisors is an integer number (10911348).

Almost surely, 2^113356221 is an apocalyptic number.

113356221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

113356221 is a deficient number, since it is larger than the sum of its proper divisors (61225347).

113356221 is a wasteful number, since it uses less digits than its factorization.

113356221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202092.

The product of its digits is 1080, while the sum is 24.

The square root of 113356221 is about 10646.8878551434. The cubic root of 113356221 is about 483.9662980540.

The spelling of 113356221 in words is "one hundred thirteen million, three hundred fifty-six thousand, two hundred twenty-one".