210221002211202 has 12 divisors (see below), whose sum is σ = 455478838124310. Its totient is φ = 70073667403728.

The previous prime is 210221002211119. The next prime is 210221002211203. The reversal of 210221002211202 is 202112200122012.

It is a happy number.

210221002211202 is a `hidden beast` number, since 21 + 0 + 221 + 0 + 0 + 221 + 1 + 202 = 666.

It can be written as a sum of positive squares in only one way, i.e., 150387079824081 + 59833922387121 = 12263241^2 + 7735239^2 .

It is a super-3 number, since 3×210221002211202³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 11678944567289 = 210221002211202 / (2 + 1 + 0 + 2 + 2 + 1 + 0 + 0 + 2 + 2 + 1 + 1 + 2 + 0 + 2).

It is not an unprimeable number, because it can be changed into a prime (210221002211203) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5839472283627 + ... + 5839472283662.

Almost surely, 2^{210221002211202} is an apocalyptic number.

210221002211202 is an abundant number, since it is smaller than the sum of its proper divisors (245257835913108).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

210221002211202 is a wasteful number, since it uses less digits than its factorization.

210221002211202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11678944567297 (or 11678944567294 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 210221002211202 its reverse (202112200122012), we get a palindrome (412333202333214).

The spelling of 210221002211202 in words is "two hundred ten trillion, two hundred twenty-one billion, two million, two hundred eleven thousand, two hundred two".