222111111199 has 4 divisors (see below), whose sum is σ = 226301886936. Its totient is φ = 217920335464.

The previous prime is 222111111193. The next prime is 222111111203. The reversal of 222111111199 is 991111111222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 991111111222 = 2 ⋅495555555611.

It is a cyclic number.

It is not a de Polignac number, because 222111111199 - 2⁹ = 222111110687 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 222111111199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222111111193) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2095387789 + ... + 2095387894.

It is an arithmetic number, because the mean of its divisors is an integer number (56575471734).

Almost surely, 2^222111111199 is an apocalyptic number.

222111111199 is a deficient number, since it is larger than the sum of its proper divisors (4190775737).

222111111199 is an equidigital number, since it uses as much as digits as its factorization.

222111111199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4190775736.

The product of its digits is 648, while the sum is 31.

The spelling of 222111111199 in words is "two hundred twenty-two billion, one hundred eleven million, one hundred eleven thousand, one hundred ninety-nine".