220122122221112 has 32 divisors (see below), whose sum is σ = 414073455388320. Its totient is φ = 109702723092480.

The previous prime is 220122122221049. The next prime is 220122122221151. The reversal of 220122122221112 is 211122221221022.

220122122221112 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×220122122221112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2488964 + ... + 21129107.

It is an arithmetic number, because the mean of its divisors is an integer number (12939795480885).

Almost surely, 2^{220122122221112} is an apocalyptic number.

It is an amenable number.

220122122221112 is a deficient number, since it is larger than the sum of its proper divisors (193951333167208).

220122122221112 is a wasteful number, since it uses less digits than its factorization.

220122122221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23621871 (or 23621867 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 220122122221112 its reverse (211122221221022), we get a palindrome (431244343442134).

The spelling of 220122122221112 in words is "two hundred twenty trillion, one hundred twenty-two billion, one hundred twenty-two million, two hundred twenty-one thousand, one hundred twelve".