111131110223 has 8 divisors (see below), whose sum is σ = 132529026048. Its totient is φ = 91113705144.

The previous prime is 111131110171. The next prime is 111131110231. The reversal of 111131110223 is 322011131111.

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

It is not a de Polignac number, because 111131110223 - 2¹² = 111131106127 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 (111131110273) 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, 345127511 + ... + 345127832.

It is an arithmetic number, because the mean of its divisors is an integer number (16566128256).

Almost surely, 2^111131110223 is an apocalyptic number.

111131110223 is a deficient number, since it is larger than the sum of its proper divisors (21397915825).

111131110223 is an equidigital number, since it uses as much as digits as its factorization.

111131110223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690255373.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111131110223 its reverse (322011131111), we get a palindrome (433142241334).

The spelling of 111131110223 in words is "one hundred eleven billion, one hundred thirty-one million, one hundred ten thousand, two hundred twenty-three".