12113111331100 has 72 divisors (see below), whose sum is σ = 28325139623648. Its totient is φ = 4469732064000.

The previous prime is 12113111331089. The next prime is 12113111331107. The reversal of 12113111331100 is 113311131121.

It is a super-2 number, since 2×12113111331100² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12113111331107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 841176 + ... + 4993375.

Almost surely, 2^{12113111331100} is an apocalyptic number.

12113111331100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12113111331100 is an abundant number, since it is smaller than the sum of its proper divisors (16212028292548).

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

12113111331100 is a wasteful number, since it uses less digits than its factorization.

12113111331100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5836175 (or 5836168 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 19.

Adding to 12113111331100 its reverse (113311131121), we get a palindrome (12226422462221).

The spelling of 12113111331100 in words is "twelve trillion, one hundred thirteen billion, one hundred eleven million, three hundred thirty-one thousand, one hundred".