221221030199 has 8 divisors (see below), whose sum is σ = 239485354752. Its totient is φ = 203134894560.

The previous prime is 221221030189. The next prime is 221221030201. The reversal of 221221030199 is 991030122122.

It is a happy number.

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

It is not a de Polignac number, because 221221030199 - 2²⁰ = 221219981623 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221221030159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44544644 + ... + 44549609.

It is an arithmetic number, because the mean of its divisors is an integer number (29935669344).

Almost surely, 2^221221030199 is an apocalyptic number.

221221030199 is a deficient number, since it is larger than the sum of its proper divisors (18264324553).

221221030199 is a wasteful number, since it uses less digits than its factorization.

221221030199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89094457.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 221221030199 in words is "two hundred twenty-one billion, two hundred twenty-one million, thirty thousand, one hundred ninety-nine".