1000222211999 has 2 divisors, whose sum is σ = 1000222212000. Its totient is φ = 1000222211998.

The previous prime is 1000222211981. The next prime is 1000222212071. The reversal of 1000222211999 is 9991122220001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1000222211999 - 2²⁰ = 1000221163423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1000222211399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500111105999 + 500111106000.

It is an arithmetic number, because the mean of its divisors is an integer number (500111106000).

Almost surely, 2^{1000222211999} is an apocalyptic number.

1000222211999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1000222211999 is an equidigital number, since it uses as much as digits as its factorization.

1000222211999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 38.

The spelling of 1000222211999 in words is "one trillion, two hundred twenty-two million, two hundred eleven thousand, nine hundred ninety-nine".