11002002110021 has 16 divisors (see below), whose sum is σ = 12364478958720. Its totient is φ = 9713336909760.

The previous prime is 11002002110009. The next prime is 11002002110051. The reversal of 11002002110021 is 12001120020011.

It is a cyclic number.

It is not a de Polignac number, because 11002002110021 - 2¹⁸ = 11002001847877 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002002109984 and 11002002110011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002002110051) 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, 2101226 + ... + 5139956.

It is an arithmetic number, because the mean of its divisors is an integer number (772779934920).

Almost surely, 2^{11002002110021} is an apocalyptic number.

It is an amenable number.

11002002110021 is a deficient number, since it is larger than the sum of its proper divisors (1362476848699).

11002002110021 is a wasteful number, since it uses less digits than its factorization.

11002002110021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3050876.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11002002110021 its reverse (12001120020011), we get a palindrome (23003122130032).

The spelling of 11002002110021 in words is "eleven trillion, two billion, two million, one hundred ten thousand, twenty-one".