221321113198 has 8 divisors (see below), whose sum is σ = 349454389320. Its totient is φ = 104836316760.

The previous prime is 221321113177. The next prime is 221321113213. The reversal of 221321113198 is 891311123122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2912119873 + ... + 2912119948.

It is an arithmetic number, because the mean of its divisors is an integer number (43681798665).

Almost surely, 2^221321113198 is an apocalyptic number.

221321113198 is a deficient number, since it is larger than the sum of its proper divisors (128133276122).

221321113198 is a wasteful number, since it uses less digits than its factorization.

221321113198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5824239842.

The product of its digits is 5184, while the sum is 34.

The spelling of 221321113198 in words is "two hundred twenty-one billion, three hundred twenty-one million, one hundred thirteen thousand, one hundred ninety-eight".