222120794999 has 2 divisors, whose sum is σ = 222120795000. Its totient is φ = 222120794998.

The previous prime is 222120794981. The next prime is 222120795107. The reversal of 222120794999 is 999497021222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222120794999 - 2⁸ = 222120794743 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222120794939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111060397499 + 111060397500.

It is an arithmetic number, because the mean of its divisors is an integer number (111060397500).

Almost surely, 2^222120794999 is an apocalyptic number.

222120794999 is a deficient number, since it is larger than the sum of its proper divisors (1).

222120794999 is an equidigital number, since it uses as much as digits as its factorization.

222120794999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2939328, while the sum is 56.

The spelling of 222120794999 in words is "two hundred twenty-two billion, one hundred twenty million, seven hundred ninety-four thousand, nine hundred ninety-nine".