1222102111999 has 4 divisors (see below), whose sum is σ = 1222348956400. Its totient is φ = 1221855267600.

The previous prime is 1222102111987. The next prime is 1222102112003. The reversal of 1222102111999 is 9991112012221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222102111999 - 2¹⁷ = 1222101980927 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222102111199) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123414774 + ... + 123424675.

It is an arithmetic number, because the mean of its divisors is an integer number (305587239100).

Almost surely, 2^{1222102111999} is an apocalyptic number.

1222102111999 is a deficient number, since it is larger than the sum of its proper divisors (246844401).

1222102111999 is an equidigital number, since it uses as much as digits as its factorization.

1222102111999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246844400.

The product of its (nonzero) digits is 11664, while the sum is 40.

The spelling of 1222102111999 in words is "one trillion, two hundred twenty-two billion, one hundred two million, one hundred eleven thousand, nine hundred ninety-nine".