20002120011099 has 6 divisors (see below), whose sum is σ = 28891951127156. Its totient is φ = 13334746674060.

The previous prime is 20002120011077. The next prime is 20002120011131. The reversal of 20002120011099 is 99011002120002.

It is not a de Polignac number, because 20002120011099 - 2⁵ = 20002120011067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20002120011019) 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 5 ways as a sum of consecutive naturals, for example, 1111228889497 + ... + 1111228889514.

Almost surely, 2^{20002120011099} is an apocalyptic number.

20002120011099 is a deficient number, since it is larger than the sum of its proper divisors (8889831116057).

20002120011099 is a wasteful number, since it uses less digits than its factorization.

20002120011099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2222457779017 (or 2222457779014 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 27.

The spelling of 20002120011099 in words is "twenty trillion, two billion, one hundred twenty million, eleven thousand, ninety-nine".