111424210400 has 144 divisors (see below), whose sum is σ = 279335715120. Its totient is φ = 43385241600.

The previous prime is 111424210399. The next prime is 111424210507. The reversal of 111424210400 is 4012424111.

111424210400 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 (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4721831 + ... + 4745369.

It is an arithmetic number, because the mean of its divisors is an integer number (1939831355).

Almost surely, 2^111424210400 is an apocalyptic number.

111424210400 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 111424210400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139667857560).

111424210400 is an abundant number, since it is smaller than the sum of its proper divisors (167911504720).

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

111424210400 is a wasteful number, since it uses less digits than its factorization.

111424210400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23717 (or 23704 counting only the distinct ones).

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

Adding to 111424210400 its reverse (4012424111), we get a palindrome (115436634511).

The spelling of 111424210400 in words is "one hundred eleven billion, four hundred twenty-four million, two hundred ten thousand, four hundred".