111002220000 has 720 divisors, whose sum is σ = 463180509792. Its totient is φ = 24675840000.

The previous prime is 111002219987. The next prime is 111002220029. The reversal of 111002220000 is 22200111.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 46618810 + ... + 46621190.

Almost surely, 2^111002220000 is an apocalyptic number.

111002220000 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 111002220000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (231590254896).

111002220000 is an abundant number, since it is smaller than the sum of its proper divisors (352178289792).

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

111002220000 is a wasteful number, since it uses less digits than its factorization.

111002220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2461 (or 2435 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 111002220000 its reverse (22200111), we get a palindrome (111024420111).

The spelling of 111002220000 in words is "one hundred eleven billion, two million, two hundred twenty thousand".