1220133311999 has 16 divisors (see below), whose sum is σ = 1406394662400. Its totient is φ = 1036893313824.

The previous prime is 1220133311989. The next prime is 1220133312001. The reversal of 1220133311999 is 9991133310221.

It is a cyclic number.

It is not a de Polignac number, because 1220133311999 - 2²⁰ = 1220132263423 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220133311989) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 886829 + ... + 1796310.

It is an arithmetic number, because the mean of its divisors is an integer number (87899666400).

Almost surely, 2^{1220133311999} is an apocalyptic number.

1220133311999 is a deficient number, since it is larger than the sum of its proper divisors (186261350401).

1220133311999 is a wasteful number, since it uses less digits than its factorization.

1220133311999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2683702.

The product of its (nonzero) digits is 78732, while the sum is 44.

The spelling of 1220133311999 in words is "one trillion, two hundred twenty billion, one hundred thirty-three million, three hundred eleven thousand, nine hundred ninety-nine".