222222111899 has 2 divisors, whose sum is σ = 222222111900. Its totient is φ = 222222111898.

The previous prime is 222222111883. The next prime is 222222111911. The reversal of 222222111899 is 998111222222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 222222111899 - 2⁴ = 222222111883 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (222222113899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111111055949 + 111111055950.

It is an arithmetic number, because the mean of its divisors is an integer number (111111055950).

Almost surely, 2^222222111899 is an apocalyptic number.

222222111899 is a deficient number, since it is larger than the sum of its proper divisors (1).

222222111899 is an equidigital number, since it uses as much as digits as its factorization.

222222111899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 41472, while the sum is 41.

The spelling of 222222111899 in words is "two hundred twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, eight hundred ninety-nine".