11202110210021 has 16 divisors (see below), whose sum is σ = 11871511896384. Its totient is φ = 10533871797504.

The previous prime is 11202110210003. The next prime is 11202110210051. The reversal of 11202110210021 is 12001201120211.

It is a cyclic number.

It is not a de Polignac number, because 11202110210021 - 2³⁰ = 11201036468197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11202110209978 and 11202110210005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11202110210051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 285551810 + ... + 285591036.

It is an arithmetic number, because the mean of its divisors is an integer number (741969493524).

Almost surely, 2^{11202110210021} is an apocalyptic number.

It is an amenable number.

11202110210021 is a deficient number, since it is larger than the sum of its proper divisors (669401686363).

11202110210021 is a wasteful number, since it uses less digits than its factorization.

11202110210021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53620.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 11202110210021 its reverse (12001201120211), we get a palindrome (23203311330232).

The spelling of 11202110210021 in words is "eleven trillion, two hundred two billion, one hundred ten million, two hundred ten thousand, twenty-one".