1120221221112 has 128 divisors (see below), whose sum is σ = 3556666713600. Its totient is φ = 320026408704.

The previous prime is 1120221220991. The next prime is 1120221221129. The reversal of 1120221221112 is 2111221220211.

1120221221112 is a `hidden beast` number, since 112 + 0 + 221 + 221 + 112 = 666.

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 31 ways as a sum of consecutive naturals, for example, 14829823 + ... + 14905169.

It is an arithmetic number, because the mean of its divisors is an integer number (27786458700).

Almost surely, 2^{1120221221112} is an apocalyptic number.

1120221221112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1120221221112 is an abundant number, since it is smaller than the sum of its proper divisors (2436445492488).

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

1120221221112 is a wasteful number, since it uses less digits than its factorization.

1120221221112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85202 (or 85192 counting only the distinct ones).

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

Adding to 1120221221112 its reverse (2111221220211), we get a palindrome (3231442441323).

Subtracting 1120221221112 from its reverse (2111221220211), we obtain a palindrome (990999999099).

The spelling of 1120221221112 in words is "one trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, one hundred twelve".