1112221111120 has 80 divisors (see below), whose sum is σ = 3018209822208. Its totient is φ = 373219476480.

The previous prime is 1112221111091. The next prime is 1112221111187. The reversal of 1112221111120 is 211111222111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1112221111094 and 1112221111103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21102501 + ... + 21155140.

Almost surely, 2^{1112221111120} is an apocalyptic number.

1112221111120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112221111120 is an abundant number, since it is smaller than the sum of its proper divisors (1905988711088).

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

1112221111120 is a wasteful number, since it uses less digits than its factorization.

1112221111120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42257708 (or 42257702 counting only the distinct ones).

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

Adding to 1112221111120 its reverse (211111222111), we get a palindrome (1323332333231).

The spelling of 1112221111120 in words is "one trillion, one hundred twelve billion, two hundred twenty-one million, one hundred eleven thousand, one hundred twenty".