1112113221220 has 96 divisors (see below), whose sum is σ = 2377684947456. Its totient is φ = 436879872000.

The previous prime is 1112113221187. The next prime is 1112113221221. The reversal of 1112113221220 is 221223112111.

It is not an unprimeable number, because it can be changed into a prime (1112113221221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 210584980 + ... + 210590260.

It is an arithmetic number, because the mean of its divisors is an integer number (24767551536).

Almost surely, 2^{1112113221220} is an apocalyptic number.

1112113221220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112113221220 is an abundant number, since it is smaller than the sum of its proper divisors (1265571726236).

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

1112113221220 is a wasteful number, since it uses less digits than its factorization.

1112113221220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6221 (or 6219 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1112113221220 its reverse (221223112111), we get a palindrome (1333336333331).

The spelling of 1112113221220 in words is "one trillion, one hundred twelve billion, one hundred thirteen million, two hundred twenty-one thousand, two hundred twenty".