220122202220210 has 16 divisors (see below), whose sum is σ = 396221515320600. Its totient is φ = 88048536149376.

The previous prime is 220122202220093. The next prime is 220122202220257. The reversal of 220122202220210 is 12022202221022.

It can be written as a sum of positive squares in 4 ways, for example, as 84974160368449 + 135148041851761 = 9218143^2 + 11625319^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40402565 + ... + 45525944.

Almost surely, 2^{220122202220210} is an apocalyptic number.

220122202220210 is a deficient number, since it is larger than the sum of its proper divisors (176099313100390).

220122202220210 is a wasteful number, since it uses less digits than its factorization.

220122202220210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86184685.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 220122202220210 its reverse (12022202221022), we get a palindrome (232144404441232).

The spelling of 220122202220210 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty thousand, two hundred ten".