111022221120 has 112 divisors (see below), whose sum is σ = 352677984000. Its totient is φ = 29590603776.

The previous prime is 111022221061. The next prime is 111022221151. The reversal of 111022221120 is 21122220111.

111022221120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 111022221120.

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, 1890114 + ... + 1947966.

Almost surely, 2^111022221120 is an apocalyptic number.

111022221120 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 111022221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176338992000).

111022221120 is an abundant number, since it is smaller than the sum of its proper divisors (241655762880).

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

111022221120 is a wasteful number, since it uses less digits than its factorization.

111022221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59872 (or 59862 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 111022221120 its reverse (21122220111), we get a palindrome (132144441231).

The spelling of 111022221120 in words is "one hundred eleven billion, twenty-two million, two hundred twenty-one thousand, one hundred twenty".