12110121112 has 16 divisors (see below), whose sum is σ = 22821741360. Its totient is φ = 6024323424.

The previous prime is 12110121109. The next prime is 12110121119. The reversal of 12110121112 is 21112101121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 12110121092 and 12110121101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110121119) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3840468 + ... + 3843619.

It is an arithmetic number, because the mean of its divisors is an integer number (1426358835).

Almost surely, 2^12110121112 is an apocalyptic number.

It is an amenable number.

12110121112 is a deficient number, since it is larger than the sum of its proper divisors (10711620248).

12110121112 is a wasteful number, since it uses less digits than its factorization.

12110121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7684290 (or 7684286 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 12110121112 its reverse (21112101121), we get a palindrome (33222222233).

The spelling of 12110121112 in words is "twelve billion, one hundred ten million, one hundred twenty-one thousand, one hundred twelve".