22020100999 has 4 divisors (see below), whose sum is σ = 23713954936. Its totient is φ = 20326247064.

The previous prime is 22020100981. The next prime is 22020101011. The reversal of 22020100999 is 99900102022.

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 22020100999 - 2⁵ = 22020100967 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 (22020100919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 846926949 + ... + 846926974.

It is an arithmetic number, because the mean of its divisors is an integer number (5928488734).

Almost surely, 2^22020100999 is an apocalyptic number.

22020100999 is a deficient number, since it is larger than the sum of its proper divisors (1693853937).

22020100999 is a wasteful number, since it uses less digits than its factorization.

22020100999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1693853936.

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

The spelling of 22020100999 in words is "twenty-two billion, twenty million, one hundred thousand, nine hundred ninety-nine".