221113210204 has 24 divisors (see below), whose sum is σ = 387462121200. Its totient is φ = 110409813120.

The previous prime is 221113210193. The next prime is 221113210247. The reversal of 221113210204 is 402012311122.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24005952 + ... + 24015160.

It is an arithmetic number, because the mean of its divisors is an integer number (16144255050).

Almost surely, 2^221113210204 is an apocalyptic number.

It is an amenable number.

221113210204 is a deficient number, since it is larger than the sum of its proper divisors (166348910996).

221113210204 is a wasteful number, since it uses less digits than its factorization.

221113210204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16533 (or 16531 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 221113210204 its reverse (402012311122), we get a palindrome (623125521326).

The spelling of 221113210204 in words is "two hundred twenty-one billion, one hundred thirteen million, two hundred ten thousand, two hundred four".