12220111120 has 80 divisors (see below), whose sum is σ = 32484492288. Its totient is φ = 4187957760.

The previous prime is 12220111109. The next prime is 12220111153. The reversal of 12220111120 is 2111102221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×12220111120² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12220111120.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2527105 + ... + 2531935.

Almost surely, 2^12220111120 is an apocalyptic number.

12220111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12220111120 is an abundant number, since it is smaller than the sum of its proper divisors (20264381168).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12220111120 is a wasteful number, since it uses less digits than its factorization.

12220111120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9368 (or 9362 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 12220111120 its reverse (2111102221), we get a palindrome (14331213341).

The spelling of 12220111120 in words is "twelve billion, two hundred twenty million, one hundred eleven thousand, one hundred twenty".