1222000111999 has 2 divisors, whose sum is σ = 1222000112000. Its totient is φ = 1222000111998.

The previous prime is 1222000111991. The next prime is 1222000112017. The reversal of 1222000111999 is 9991110002221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1222000111999 - 2³ = 1222000111991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1222000111991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611000055999 + 611000056000.

It is an arithmetic number, because the mean of its divisors is an integer number (611000056000).

Almost surely, 2^{1222000111999} is an apocalyptic number.

1222000111999 is a deficient number, since it is larger than the sum of its proper divisors (1).

1222000111999 is an equidigital number, since it uses as much as digits as its factorization.

1222000111999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 37.

The spelling of 1222000111999 in words is "one trillion, two hundred twenty-two billion, one hundred eleven thousand, nine hundred ninety-nine".