111200342400 has 768 divisors, whose sum is σ = 489629376000. Its totient is φ = 24076984320.

The previous prime is 111200342399. The next prime is 111200342411. The reversal of 111200342400 is 4243002111.

It is a super-2 number, since 2×111200342400² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11486362 + ... + 11496038.

It is an arithmetic number, because the mean of its divisors is an integer number (637538250).

Almost surely, 2^111200342400 is an apocalyptic number.

111200342400 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 111200342400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (244814688000).

111200342400 is an abundant number, since it is smaller than the sum of its proper divisors (378429033600).

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

111200342400 is a wasteful number, since it uses less digits than its factorization.

111200342400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9736 (or 9713 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

Adding to 111200342400 its reverse (4243002111), we get a palindrome (115443344511).

The spelling of 111200342400 in words is "one hundred eleven billion, two hundred million, three hundred forty-two thousand, four hundred".