11002320121999 has 4 divisors (see below), whose sum is σ = 11002355685864. Its totient is φ = 11002284558136.

The previous prime is 11002320121993. The next prime is 11002320122021. The reversal of 11002320121999 is 99912102320011.

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 11002320121999 - 2⁹ = 11002320121487 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 (11002320121993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17313772 + ... + 17937985.

It is an arithmetic number, because the mean of its divisors is an integer number (2750588921466).

Almost surely, 2^{11002320121999} is an apocalyptic number.

11002320121999 is a deficient number, since it is larger than the sum of its proper divisors (35563865).

11002320121999 is an equidigital number, since it uses as much as digits as its factorization.

11002320121999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35563864.

The product of its (nonzero) digits is 17496, while the sum is 40.

The spelling of 11002320121999 in words is "eleven trillion, two billion, three hundred twenty million, one hundred twenty-one thousand, nine hundred ninety-nine".