12110121122100 has 144 divisors (see below), whose sum is σ = 36885355852800. Its totient is φ = 3059183272320.

The previous prime is 12110121122089. The next prime is 12110121122149. The reversal of 12110121122100 is 122112101121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 12110121122100.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 90329317 + ... + 90463283.

Almost surely, 2^{12110121122100} is an apocalyptic number.

12110121122100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12110121122100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18442677926400).

12110121122100 is an abundant number, since it is smaller than the sum of its proper divisors (24775234730700).

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

12110121122100 is a wasteful number, since it uses less digits than its factorization.

12110121122100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149862 (or 149855 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12110121122100 its reverse (122112101121), we get a palindrome (12232233223221).

The spelling of 12110121122100 in words is "twelve trillion, one hundred ten billion, one hundred twenty-one million, one hundred twenty-two thousand, one hundred".