220122201020211 has 18 divisors (see below), whose sum is σ = 369865194912252. Its totient is φ = 125784114868440.

The previous prime is 220122201020179. The next prime is 220122201020219. The reversal of 220122201020211 is 112020102221022.

It is a happy number.

220122201020211 is a `hidden beast` number, since 2 + 201 + 2 + 220 + 10 + 20 + 211 = 666.

It is not a de Polignac number, because 220122201020211 - 2⁵ = 220122201020179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (220122201020219) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 249571656045 + ... + 249571656926.

It is an arithmetic number, because the mean of its divisors is an integer number (20548066384014).

Almost surely, 2^{220122201020211} is an apocalyptic number.

220122201020211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

220122201020211 is a deficient number, since it is larger than the sum of its proper divisors (149742993892041).

220122201020211 is a wasteful number, since it uses less digits than its factorization.

220122201020211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 499143312991 (or 499143312981 counting only the distinct ones).

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

Adding to 220122201020211 its reverse (112020102221022), we get a palindrome (332142303241233).

The spelling of 220122201020211 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred one million, twenty thousand, two hundred eleven".