111000421424000 has 64 divisors (see below), whose sum is σ = 275974797805200. Its totient is φ = 44400168563200.

The previous prime is 111000421423999. The next prime is 111000421424023. The reversal of 111000421424000 is 424124000111.

It is a tau number, because it is divible by the number of its divisors (64).

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 7 ways as a sum of consecutive naturals, for example, 3468747170 + ... + 3468779169.

Almost surely, 2^{111000421424000} is an apocalyptic number.

111000421424000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111000421424000 is an abundant number, since it is smaller than the sum of its proper divisors (164974376381200).

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

111000421424000 is an frugal number, since it uses more digits than its factorization.

111000421424000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6937526368 (or 6937526346 counting only the distinct ones).

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

Adding to 111000421424000 its reverse (424124000111), we get a palindrome (111424545424111).

The spelling of 111000421424000 in words is "one hundred eleven trillion, four hundred twenty-one million, four hundred twenty-four thousand".