1112012021112 has 64 divisors (see below), whose sum is σ = 2901161664000. Its totient is φ = 354522689664.

The previous prime is 1112012021053. The next prime is 1112012021129. The reversal of 1112012021112 is 2111202102111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1112012021091 and 1112012021100.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 6489189 + ... + 6658347.

It is an arithmetic number, because the mean of its divisors is an integer number (45330651000).

Almost surely, 2^{1112012021112} is an apocalyptic number.

1112012021112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1112012021112 is an abundant number, since it is smaller than the sum of its proper divisors (1789149642888).

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

1112012021112 is a wasteful number, since it uses less digits than its factorization.

1112012021112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181100 (or 181096 counting only the distinct ones).

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

Adding to 1112012021112 its reverse (2111202102111), we get a palindrome (3223214123223).

The spelling of 1112012021112 in words is "one trillion, one hundred twelve billion, twelve million, twenty-one thousand, one hundred twelve".