11112100312120 has 32 divisors (see below), whose sum is σ = 25473965814720. Its totient is φ = 4360975216000.

The previous prime is 11112100312081. The next prime is 11112100312127. The reversal of 11112100312120 is 2121300121111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 11112100312094 and 11112100312103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112100312127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2620776256 + ... + 2620780495.

It is an arithmetic number, because the mean of its divisors is an integer number (796061431710).

Almost surely, 2^{11112100312120} is an apocalyptic number.

11112100312120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112100312120 is an abundant number, since it is smaller than the sum of its proper divisors (14361865502600).

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

11112100312120 is a wasteful number, since it uses less digits than its factorization.

11112100312120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5241556815 (or 5241556811 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 11112100312120 its reverse (2121300121111), we get a palindrome (13233400433231).

The spelling of 11112100312120 in words is "eleven trillion, one hundred twelve billion, one hundred million, three hundred twelve thousand, one hundred twenty".