111043422 has 96 divisors (see below), whose sum is σ = 297603072. Its totient is φ = 29198592.

The previous prime is 111043421. The next prime is 111043433. The reversal of 111043422 is 224340111.

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

It is a junction number, because it is equal to n+sod(n) for n = 111043395 and 111043404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111043421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 100123 + ... + 101225.

It is an arithmetic number, because the mean of its divisors is an integer number (3100032).

Almost surely, 2^111043422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 111043422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148801536).

111043422 is an abundant number, since it is smaller than the sum of its proper divisors (186559650).

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

111043422 is a wasteful number, since it uses less digits than its factorization.

111043422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1179 counting only the distinct ones).

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

The square root of 111043422 is about 10537.7142682842. The cubic root of 111043422 is about 480.6522123466.

Adding to 111043422 its reverse (224340111), we get a palindrome (335383533).

The spelling of 111043422 in words is "one hundred eleven million, forty-three thousand, four hundred twenty-two".