1120120220999 has 16 divisors (see below), whose sum is σ = 1207312972992. Its totient is φ = 1033074997248.

The previous prime is 1120120220993. The next prime is 1120120221013. The reversal of 1120120220999 is 9990220210211.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1120120220999 - 2²⁰ = 1120119172423 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 (1120120220993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86710289 + ... + 86723205.

It is an arithmetic number, because the mean of its divisors is an integer number (75457060812).

Almost surely, 2^{1120120220999} is an apocalyptic number.

1120120220999 is a deficient number, since it is larger than the sum of its proper divisors (87192751993).

1120120220999 is a wasteful number, since it uses less digits than its factorization.

1120120220999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18106.

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

The spelling of 1120120220999 in words is "one trillion, one hundred twenty billion, one hundred twenty million, two hundred twenty thousand, nine hundred ninety-nine".