202221211210 has 16 divisors (see below), whose sum is σ = 367602124392. Its totient is φ = 80087608000.

The previous prime is 202221211207. The next prime is 202221211229. The reversal of 202221211210 is 12112122202.

It is a happy number.

202221211210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 202076321841 + 144889369 = 449529^2 + 12037^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 100108501 + ... + 100110520.

Almost surely, 2^202221211210 is an apocalyptic number.

202221211210 is a deficient number, since it is larger than the sum of its proper divisors (165380913182).

202221211210 is a wasteful number, since it uses less digits than its factorization.

202221211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200219129.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 202221211210 its reverse (12112122202), we get a palindrome (214333333412).

The spelling of 202221211210 in words is "two hundred two billion, two hundred twenty-one million, two hundred eleven thousand, two hundred ten".