1113221204 has 12 divisors (see below), whose sum is σ = 1981156800. Its totient is φ = 547176408.

The previous prime is 1113221203. The next prime is 1113221209. The reversal of 1113221204 is 4021223111.

It is a super-2 number, since 2×1113221204² = 2478522898070419232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113221201) 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, 2358284 + ... + 2358755.

It is an arithmetic number, because the mean of its divisors is an integer number (165096400).

Almost surely, 2^1113221204 is an apocalyptic number.

It is an amenable number.

1113221204 is a deficient number, since it is larger than the sum of its proper divisors (867935596).

1113221204 is a wasteful number, since it uses less digits than its factorization.

1113221204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4717102 (or 4717100 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 1113221204 is about 33364.9697137582. The cubic root of 1113221204 is about 1036.3994089623.

Adding to 1113221204 its reverse (4021223111), we get a palindrome (5134444315).

The spelling of 1113221204 in words is "one billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred four".