202122211210 has 24 divisors (see below), whose sum is σ = 370091000196. Its totient is φ = 79478550720.

The previous prime is 202122211171. The next prime is 202122211243. The reversal of 202122211210 is 12112221202.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 189436469049 + 12685742161 = 435243^2 + 112631^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2868411 + ... + 2938030.

Almost surely, 2^202122211210 is an apocalyptic number.

202122211210 is a deficient number, since it is larger than the sum of its proper divisors (167968788986).

202122211210 is an equidigital number, since it uses as much as digits as its factorization.

202122211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5806566 (or 5806507 counting only the distinct ones).

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

Adding to 202122211210 its reverse (12112221202), we get a palindrome (214234432412).

The spelling of 202122211210 in words is "two hundred two billion, one hundred twenty-two million, two hundred eleven thousand, two hundred ten".