1120222112112 has 80 divisors (see below), whose sum is σ = 3228906432000. Its totient is φ = 371844962496.

The previous prime is 1120222112033. The next prime is 1120222112153. The reversal of 1120222112112 is 2112112220211.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5321662 + ... + 5528157.

It is an arithmetic number, because the mean of its divisors is an integer number (40361330400).

Almost surely, 2^{1120222112112} is an apocalyptic number.

1120222112112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120222112112 is an abundant number, since it is smaller than the sum of its proper divisors (2108684319888).

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

1120222112112 is a wasteful number, since it uses less digits than its factorization.

1120222112112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10850075 (or 10850063 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1120222112112 its reverse (2112112220211), we get a palindrome (3232334332323).

The spelling of 1120222112112 in words is "one trillion, one hundred twenty billion, two hundred twenty-two million, one hundred twelve thousand, one hundred twelve".