22003120999 has 2 divisors, whose sum is σ = 22003121000. Its totient is φ = 22003120998.

The previous prime is 22003120973. The next prime is 22003121033. The reversal of 22003120999 is 99902130022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22003120999 - 2⁷ = 22003120871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22003120939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001560499 + 11001560500.

It is an arithmetic number, because the mean of its divisors is an integer number (11001560500).

Almost surely, 2^22003120999 is an apocalyptic number.

22003120999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22003120999 is an equidigital number, since it uses as much as digits as its factorization.

22003120999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 37.

The spelling of 22003120999 in words is "twenty-two billion, three million, one hundred twenty thousand, nine hundred ninety-nine".