1105111223 has 8 divisors (see below), whose sum is σ = 1132665600. Its totient is φ = 1077641208.

The previous prime is 1105111187. The next prime is 1105111229. The reversal of 1105111223 is 3221115011.

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

It is a cyclic number.

It is not a de Polignac number, because 1105111223 - 2⁶ = 1105111159 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 (1105111229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5858 + ... + 47376.

It is an arithmetic number, because the mean of its divisors is an integer number (141583200).

Almost surely, 2^1105111223 is an apocalyptic number.

1105111223 is a deficient number, since it is larger than the sum of its proper divisors (27554377).

1105111223 is an equidigital number, since it uses as much as digits as its factorization.

1105111223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42181.

The product of its (nonzero) digits is 60, while the sum is 17.

The square root of 1105111223 is about 33243.2131870552. The cubic root of 1105111223 is about 1033.8764981250.

Adding to 1105111223 its reverse (3221115011), we get a palindrome (4326226234).

The spelling of 1105111223 in words is "one billion, one hundred five million, one hundred eleven thousand, two hundred twenty-three".