112221120 has 112 divisors (see below), whose sum is σ = 388729728. Its totient is φ = 27202560.

The previous prime is 112221113. The next prime is 112221133. The reversal of 112221120 is 21122211.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112221096 and 112221105.

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, 5247 + ... + 15873.

Almost surely, 2^112221120 is an apocalyptic number.

112221120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 112221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (194364864).

112221120 is an abundant number, since it is smaller than the sum of its proper divisors (276508608).

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

112221120 is a wasteful number, since it uses less digits than its factorization.

112221120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10658 (or 10648 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 112221120 is about 10593.4470310660. The cubic root of 112221120 is about 482.3454649318.

Adding to 112221120 its reverse (21122211), we get a palindrome (133343331).

The spelling of 112221120 in words is "one hundred twelve million, two hundred twenty-one thousand, one hundred twenty".