11002101202021 has 4 divisors (see below), whose sum is σ = 11015404831872. Its totient is φ = 10988797572172.

The previous prime is 11002101202013. The next prime is 11002101202039. The reversal of 11002101202021 is 12020210120011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11002101202021 - 2³ = 11002101202013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11002101201992 and 11002101202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11002101202321) 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, 6651813685 + ... + 6651815338.

It is an arithmetic number, because the mean of its divisors is an integer number (2753851207968).

Almost surely, 2^{11002101202021} is an apocalyptic number.

It is an amenable number.

11002101202021 is a deficient number, since it is larger than the sum of its proper divisors (13303629851).

11002101202021 is an equidigital number, since it uses as much as digits as its factorization.

11002101202021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13303629850.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11002101202021 its reverse (12020210120011), we get a palindrome (23022311322032).

The spelling of 11002101202021 in words is "eleven trillion, two billion, one hundred one million, two hundred two thousand, twenty-one".