221117222199 has 4 divisors (see below), whose sum is σ = 294822962936. Its totient is φ = 147411481464.

The previous prime is 221117222167. The next prime is 221117222213. The reversal of 221117222199 is 991222711122.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 221117222199 - 2⁵ = 221117222167 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 (221117222159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36852870364 + ... + 36852870369.

It is an arithmetic number, because the mean of its divisors is an integer number (73705740734).

Almost surely, 2^221117222199 is an apocalyptic number.

221117222199 is a deficient number, since it is larger than the sum of its proper divisors (73705740737).

221117222199 is an equidigital number, since it uses as much as digits as its factorization.

221117222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73705740736.

The product of its digits is 18144, while the sum is 39.

The spelling of 221117222199 in words is "two hundred twenty-one billion, one hundred seventeen million, two hundred twenty-two thousand, one hundred ninety-nine".