111043420 has 12 divisors (see below), whose sum is σ = 233191224. Its totient is φ = 44417360.

The previous prime is 111043417. The next prime is 111043421. The reversal of 111043420 is 24340111.

It is a super-2 number, since 2×111043420² = 24661282250592800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111043394 and 111043403.

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 3 ways as a sum of consecutive naturals, for example, 2776066 + ... + 2776105.

It is an arithmetic number, because the mean of its divisors is an integer number (19432602).

Almost surely, 2^111043420 is an apocalyptic number.

111043420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111043420 is an abundant number, since it is smaller than the sum of its proper divisors (122147804).

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

111043420 is a wasteful number, since it uses less digits than its factorization.

111043420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5552180 (or 5552178 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 111043420 is about 10537.7141733869. The cubic root of 111043420 is about 480.6522094610.

Adding to 111043420 its reverse (24340111), we get a palindrome (135383531).

The spelling of 111043420 in words is "one hundred eleven million, forty-three thousand, four hundred twenty".