111204104143 has 24 divisors (see below), whose sum is σ = 127878287040. Its totient is φ = 96530227200.

The previous prime is 111204104119. The next prime is 111204104201. The reversal of 111204104143 is 341401402111.

It is not a de Polignac number, because 111204104143 - 2⁹ = 111204103631 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111204104743) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5298 + ... + 471631.

It is an arithmetic number, because the mean of its divisors is an integer number (5328261960).

Almost surely, 2^111204104143 is an apocalyptic number.

111204104143 is a deficient number, since it is larger than the sum of its proper divisors (16674182897).

111204104143 is a wasteful number, since it uses less digits than its factorization.

111204104143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477039 (or 477028 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 111204104143 its reverse (341401402111), we get a palindrome (452605506254).

The spelling of 111204104143 in words is "one hundred eleven billion, two hundred four million, one hundred four thousand, one hundred forty-three".