220202211211210 has 8 divisors (see below), whose sum is σ = 396363980180196. Its totient is φ = 88080884484480.

The previous prime is 220202211211207. The next prime is 220202211211211. The reversal of 220202211211210 is 12112112202022.

It can be written as a sum of positive squares in 2 ways, for example, as 198980166997089 + 21222044214121 = 14106033^2 + 4606739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (220202211211211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11010110560551 + ... + 11010110560570.

Almost surely, 2^{220202211211210} is an apocalyptic number.

220202211211210 is a deficient number, since it is larger than the sum of its proper divisors (176161768968986).

220202211211210 is a wasteful number, since it uses less digits than its factorization.

220202211211210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22020221121128.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220202211211210 its reverse (12112112202022), we get a palindrome (232314323413232).

The spelling of 220202211211210 in words is "two hundred twenty trillion, two hundred two billion, two hundred eleven million, two hundred eleven thousand, two hundred ten".