111044421 has 12 divisors (see below), whose sum is σ = 160524000. Its totient is φ = 73971240.

The previous prime is 111044371. The next prime is 111044429. The reversal of 111044421 is 124440111.

It is not a de Polignac number, because 111044421 - 2⁷ = 111044293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111044394 and 111044403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111044429) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9376 + ... + 17606.

It is an arithmetic number, because the mean of its divisors is an integer number (13377000).

Almost surely, 2^111044421 is an apocalyptic number.

It is an amenable number.

111044421 is a deficient number, since it is larger than the sum of its proper divisors (49479579).

111044421 is a wasteful number, since it uses less digits than its factorization.

111044421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9736 (or 9733 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 111044421 is about 10537.7616693490. The cubic root of 111044421 is about 480.6536537351.

Adding to 111044421 its reverse (124440111), we get a palindrome (235484532).

The spelling of 111044421 in words is "one hundred eleven million, forty-four thousand, four hundred twenty-one".