211002202200021 has 32 divisors (see below), whose sum is σ = 300078487296000. Its totient is φ = 131495875175808.

The previous prime is 211002202200001. The next prime is 211002202200029. The reversal of 211002202200021 is 120002202200112.

It is not a de Polignac number, because 211002202200021 - 2¹¹ = 211002202197973 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211002202200029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7315935 + ... + 21806588.

It is an arithmetic number, because the mean of its divisors is an integer number (9377452728000).

Almost surely, 2^{211002202200021} is an apocalyptic number.

It is an amenable number.

211002202200021 is a deficient number, since it is larger than the sum of its proper divisors (89076285095979).

211002202200021 is a wasteful number, since it uses less digits than its factorization.

211002202200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29124233.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211002202200021 its reverse (120002202200112), we get a palindrome (331004404400133).

Subtracting from 211002202200021 its reverse (120002202200112), we obtain a palindrome (90999999999909).

The spelling of 211002202200021 in words is "two hundred eleven trillion, two billion, two hundred two million, two hundred thousand, twenty-one".