122122200111112 has 32 divisors (see below), whose sum is σ = 229529437300800. Its totient is φ = 60914523740224.

The previous prime is 122122200111083. The next prime is 122122200111193. The reversal of 122122200111112 is 211111002221221.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 122122200111112.

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, 5218687 + ... + 16476622.

It is an arithmetic number, because the mean of its divisors is an integer number (7172794915650).

Almost surely, 2^{122122200111112} is an apocalyptic number.

It is an amenable number.

122122200111112 is a deficient number, since it is larger than the sum of its proper divisors (107407237189688).

122122200111112 is a wasteful number, since it uses less digits than its factorization.

122122200111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21697005 (or 21697001 counting only the distinct ones).

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

Adding to 122122200111112 its reverse (211111002221221), we get a palindrome (333233202332333).

The spelling of 122122200111112 in words is "one hundred twenty-two trillion, one hundred twenty-two billion, two hundred million, one hundred eleven thousand, one hundred twelve".