22221102221999 has 2 divisors, whose sum is σ = 22221102222000. Its totient is φ = 22221102221998.

The previous prime is 22221102221977. The next prime is 22221102222019. The reversal of 22221102221999 is 99912220112222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22221102221999 - 2³² = 22216807254703 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22221102221599) 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 as a sum of consecutive naturals, namely, 11110551110999 + 11110551111000.

It is an arithmetic number, because the mean of its divisors is an integer number (11110551111000).

Almost surely, 2^{22221102221999} is an apocalyptic number.

22221102221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22221102221999 is an equidigital number, since it uses as much as digits as its factorization.

22221102221999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The spelling of 22221102221999 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred two million, two hundred twenty-one thousand, nine hundred ninety-nine".