12100111110 has 96 divisors (see below), whose sum is σ = 32401878912. Its totient is φ = 3130617600.

The previous prime is 12100111057. The next prime is 12100111129. The reversal of 12100111110 is 1111100121.

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

It is a junction number, because it is equal to n+sod(n) for n = 12100111092 and 12100111101.

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, 1217160 + ... + 1227060.

It is an arithmetic number, because the mean of its divisors is an integer number (337519572).

Almost surely, 2^12100111110 is an apocalyptic number.

12100111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12100111110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16200939456).

12100111110 is an abundant number, since it is smaller than the sum of its proper divisors (20301767802).

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

12100111110 is a wasteful number, since it uses less digits than its factorization.

12100111110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10318 (or 10315 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 12100111110 its reverse (1111100121), we get a palindrome (13211211231).

It can be divided in two parts, 1210011 and 1110, that added together give a palindrome (1211121).

The spelling of 12100111110 in words is "twelve billion, one hundred million, one hundred eleven thousand, one hundred ten".