12110221111122 has 48 divisors (see below), whose sum is σ = 27169183318680. Its totient is φ = 3893868787200.

The previous prime is 12110221111069. The next prime is 12110221111147. The reversal of 12110221111122 is 22111112201121.

It is a happy number.

12110221111122 is a `hidden beast` number, since 1 + 211 + 0 + 221 + 111 + 122 = 666.

12110221111122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 9081128007081 + 3029093104041 = 3013491^2 + 1740429^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12110221111095 and 12110221111104.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10379079 + ... + 11486762.

Almost surely, 2^{12110221111122} is an apocalyptic number.

12110221111122 is an abundant number, since it is smaller than the sum of its proper divisors (15058962207558).

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

12110221111122 is a wasteful number, since it uses less digits than its factorization.

12110221111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21866939 (or 21866936 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 12110221111122 its reverse (22111112201121), we get a palindrome (34221333312243).

The spelling of 12110221111122 in words is "twelve trillion, one hundred ten billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty-two".