111101443424 has 24 divisors (see below), whose sum is σ = 226273415760. Its totient is φ = 53635179136.

The previous prime is 111101443403. The next prime is 111101443447. The reversal of 111101443424 is 424344101111.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 111101443393 and 111101443402.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59859764 + ... + 59861619.

It is an arithmetic number, because the mean of its divisors is an integer number (9428058990).

Almost surely, 2^111101443424 is an apocalyptic number.

It is an amenable number.

111101443424 is an abundant number, since it is smaller than the sum of its proper divisors (115171972336).

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

111101443424 is a wasteful number, since it uses less digits than its factorization.

111101443424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119721422 (or 119721414 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 26.

Adding to 111101443424 its reverse (424344101111), we get a palindrome (535445544535).

The spelling of 111101443424 in words is "one hundred eleven billion, one hundred one million, four hundred forty-three thousand, four hundred twenty-four".