2200120999 has 2 divisors, whose sum is σ = 2200121000. Its totient is φ = 2200120998.

The previous prime is 2200120991. The next prime is 2200121023. The reversal of 2200120999 is 9990210022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2200120999 - 2³ = 2200120991 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2200120991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1100060499 + 1100060500.

It is an arithmetic number, because the mean of its divisors is an integer number (1100060500).

Almost surely, 2^2200120999 is an apocalyptic number.

2200120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

2200120999 is an equidigital number, since it uses as much as digits as its factorization.

2200120999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5832, while the sum is 34.

The square root of 2200120999 is about 46905.4474341734. The cubic root of 2200120999 is about 1300.6152903937.

The spelling of 2200120999 in words is "two billion, two hundred million, one hundred twenty thousand, nine hundred ninety-nine".