220122201111112 has 64 divisors (see below), whose sum is σ = 435045443918400. Its totient is φ = 104126007456000.

The previous prime is 220122201111107. The next prime is 220122201111161. The reversal of 220122201111112 is 211111102221022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 220122201111112.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 346320162 + ... + 346955182.

It is an arithmetic number, because the mean of its divisors is an integer number (6797585061225).

Almost surely, 2^{220122201111112} is an apocalyptic number.

It is an amenable number.

220122201111112 is a deficient number, since it is larger than the sum of its proper divisors (214923242807288).

220122201111112 is a wasteful number, since it uses less digits than its factorization.

220122201111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638158 (or 638154 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 220122201111112 its reverse (211111102221022), we get a palindrome (431233303332134).

The spelling of 220122201111112 in words is "two hundred twenty trillion, one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, one hundred twelve".