12101120111100 has 72 divisors (see below), whose sum is σ = 35958860009968. Its totient is φ = 3139750080000.

The previous prime is 12101120111053. The next prime is 12101120111167. The reversal of 12101120111100 is 111102110121.

12101120111100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

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, 545084401 + ... + 545106600.

Almost surely, 2^{12101120111100} is an apocalyptic number.

12101120111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12101120111100 is an abundant number, since it is smaller than the sum of its proper divisors (23857739898868).

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

12101120111100 is a wasteful number, since it uses less digits than its factorization.

12101120111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090191055 (or 1090191048 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 12101120111100 its reverse (111102110121), we get a palindrome (12212222221221).

The spelling of 12101120111100 in words is "twelve trillion, one hundred one billion, one hundred twenty million, one hundred eleven thousand, one hundred".