12110120100 has 216 divisors, whose sum is σ = 41830780992. Its totient is φ = 2911507200.

The previous prime is 12110120083. The next prime is 12110120129. The reversal of 12110120100 is 102101121.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 491065 + ... + 515135.

Almost surely, 2^12110120100 is an apocalyptic number.

12110120100 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 12110120100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20915390496).

12110120100 is an abundant number, since it is smaller than the sum of its proper divisors (29720660892).

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

12110120100 is a wasteful number, since it uses less digits than its factorization.

12110120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24147 (or 24137 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 12110120100 its reverse (102101121), we get a palindrome (12212221221).

The spelling of 12110120100 in words is "twelve billion, one hundred ten million, one hundred twenty thousand, one hundred".