111444304111 has 8 divisors (see below), whose sum is σ = 127367184384. Its totient is φ = 95521990200.

The previous prime is 111444304087. The next prime is 111444304133. The reversal of 111444304111 is 111403444111.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111444304111 - 2⁵ = 111444304079 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 (111444304211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 438546 + ... + 644368.

It is an arithmetic number, because the mean of its divisors is an integer number (15920898048).

Almost surely, 2^111444304111 is an apocalyptic number.

111444304111 is a deficient number, since it is larger than the sum of its proper divisors (15922880273).

111444304111 is an equidigital number, since it uses as much as digits as its factorization.

111444304111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283181.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 111444304111 its reverse (111403444111), we get a palindrome (222847748222).

The spelling of 111444304111 in words is "one hundred eleven billion, four hundred forty-four million, three hundred four thousand, one hundred eleven".