11002033011221 has 16 divisors (see below), whose sum is σ = 12591848951040. Its totient is φ = 9416747940480.

The previous prime is 11002033011149. The next prime is 11002033011223. The reversal of 11002033011221 is 12211033020011.

It is a cyclic number.

It is not a de Polignac number, because 11002033011221 - 2²⁶ = 11001965902357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11002033011221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002033011223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19774481 + ... + 20323241.

It is an arithmetic number, because the mean of its divisors is an integer number (786990559440).

Almost surely, 2^{11002033011221} is an apocalyptic number.

It is an amenable number.

11002033011221 is a deficient number, since it is larger than the sum of its proper divisors (1589815939819).

11002033011221 is an equidigital number, since it uses as much as digits as its factorization.

11002033011221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552884.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11002033011221 its reverse (12211033020011), we get a palindrome (23213066031232).

The spelling of 11002033011221 in words is "eleven trillion, two billion, thirty-three million, eleven thousand, two hundred twenty-one".