221111222199 has 64 divisors (see below), whose sum is σ = 349001920512. Its totient is φ = 121898649600.

The previous prime is 221111222179. The next prime is 221111222309. The reversal of 221111222199 is 991222111122.

It is not a de Polignac number, because 221111222199 - 2⁹ = 221111221687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221111222119) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 31962889 + ... + 31969805.

It is an arithmetic number, because the mean of its divisors is an integer number (5453155008).

Almost surely, 2^221111222199 is an apocalyptic number.

221111222199 is a deficient number, since it is larger than the sum of its proper divisors (127890698313).

221111222199 is a wasteful number, since it uses less digits than its factorization.

221111222199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7376.

The product of its digits is 2592, while the sum is 33.

The spelling of 221111222199 in words is "two hundred twenty-one billion, one hundred eleven million, two hundred twenty-two thousand, one hundred ninety-nine".