111224210240000 has 800 divisors, whose sum is σ = 327489436834560. Its totient is φ = 37192089600000.

The previous prime is 111224210239979. The next prime is 111224210240009. The reversal of 111224210240000 is 42012422111.

It is a tau number, because it is divible by the number of its divisors (800).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (111224210240009) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 12400955516 + ... + 12400964484.

Almost surely, 2^{111224210240000} is an apocalyptic number.

111224210240000 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 111224210240000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (163744718417280).

111224210240000 is an abundant number, since it is smaller than the sum of its proper divisors (216265226594560).

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

111224210240000 is an equidigital number, since it uses as much as digits as its factorization.

111224210240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9302 (or 9271 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 111224210240000 its reverse (42012422111), we get a palindrome (111266222662111).

The spelling of 111224210240000 in words is "one hundred eleven trillion, two hundred twenty-four billion, two hundred ten million, two hundred forty thousand".