111021020120112 has 40 divisors (see below), whose sum is σ = 286805266631856. Its totient is φ = 37006882235136.

The previous prime is 111021020120051. The next prime is 111021020120207. The reversal of 111021020120112 is 211021020120111.

It is a happy number.

111021020120112 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 111021020120091 and 111021020120100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11127658 + ... + 18597494.

Almost surely, 2^{111021020120112} is an apocalyptic number.

111021020120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

111021020120112 is an abundant number, since it is smaller than the sum of its proper divisors (175784246511744).

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

111021020120112 is a wasteful number, since it uses less digits than its factorization.

111021020120112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779485 (or 7779479 counting only the distinct ones).

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

Adding to 111021020120112 its reverse (211021020120111), we get a palindrome (322042040240223).

Subtracting 111021020120112 from its reverse (211021020120111), we obtain a palindrome (99999999999999).

The spelling of 111021020120112 in words is "one hundred eleven trillion, twenty-one billion, twenty million, one hundred twenty thousand, one hundred twelve".