11002021120209 has 16 divisors (see below), whose sum is σ = 16773354565632. Its totient is φ = 6283730461008.

The previous prime is 11002021120199. The next prime is 11002021120261. The reversal of 11002021120209 is 90202112020011.

It is not a de Polignac number, because 11002021120209 - 2⁵ = 11002021120177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (11002021121209) 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, 130738209 + ... + 130822334.

It is an arithmetic number, because the mean of its divisors is an integer number (1048334660352).

Almost surely, 2^{11002021120209} is an apocalyptic number.

It is an amenable number.

11002021120209 is a deficient number, since it is larger than the sum of its proper divisors (5771333445423).

11002021120209 is a wasteful number, since it uses less digits than its factorization.

11002021120209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 261562556.

The product of its (nonzero) digits is 144, while the sum is 21.

The spelling of 11002021120209 in words is "eleven trillion, two billion, twenty-one million, one hundred twenty thousand, two hundred nine".