111122120010012 has 48 divisors (see below), whose sum is σ = 267655698143232. Its totient is φ = 35844945042240.

The previous prime is 111122120009993. The next prime is 111122120010049. The reversal of 111122120010012 is 210010021221111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111122120009973 and 111122120010000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11163273 + ... + 18624255.

It is an arithmetic number, because the mean of its divisors is an integer number (5576160377984).

Almost surely, 2^{111122120010012} is an apocalyptic number.

111122120010012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111122120010012 is an abundant number, since it is smaller than the sum of its proper divisors (156533578133220).

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

111122120010012 is a wasteful number, since it uses less digits than its factorization.

111122120010012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7501058 (or 7501056 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 111122120010012 its reverse (210010021221111), we get a palindrome (321132141231123).

The spelling of 111122120010012 in words is "one hundred eleven trillion, one hundred twenty-two billion, one hundred twenty million, ten thousand, twelve".