12111331110000 has 100 divisors (see below), whose sum is σ = 39096991764072. Its totient is φ = 3229688288000.

The previous prime is 12111331109959. The next prime is 12111331110019. The reversal of 12111331110000 is 1113311121.

It is a tau number, because it is divible by the number of its divisors (100).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 201825519 + ... + 201885518.

Almost surely, 2^{12111331110000} is an apocalyptic number.

12111331110000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12111331110000 is an abundant number, since it is smaller than the sum of its proper divisors (26985660654072).

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

12111331110000 is an equidigital number, since it uses as much as digits as its factorization.

12111331110000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 403711068 (or 403711047 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 12111331110000 its reverse (1113311121), we get a palindrome (12112444421121).

The spelling of 12111331110000 in words is "twelve trillion, one hundred eleven billion, three hundred thirty-one million, one hundred ten thousand".