111110221120 has 112 divisors (see below), whose sum is σ = 280474204608. Its totient is φ = 41780551680.

The previous prime is 111110221073. The next prime is 111110221121. The reversal of 111110221120 is 21122011111.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 111110221120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111110221121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4791955 + ... + 4815085.

Almost surely, 2^111110221120 is an apocalyptic number.

111110221120 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 111110221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (140237102304).

111110221120 is an abundant number, since it is smaller than the sum of its proper divisors (169363983488).

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

111110221120 is a wasteful number, since it uses less digits than its factorization.

111110221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24048 (or 24038 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 111110221120 its reverse (21122011111), we get a palindrome (132232232231).

The spelling of 111110221120 in words is "one hundred eleven billion, one hundred ten million, two hundred twenty-one thousand, one hundred twenty".