111100011223 has 4 divisors (see below), whose sum is σ = 111101466880. Its totient is φ = 111098555568.

The previous prime is 111100011173. The next prime is 111100011251. The reversal of 111100011223 is 322110001111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111100011223 - 2¹³ = 111100003031 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 (111100011023) 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, 606615 + ... + 768232.

It is an arithmetic number, because the mean of its divisors is an integer number (27775366720).

Almost surely, 2^111100011223 is an apocalyptic number.

111100011223 is a deficient number, since it is larger than the sum of its proper divisors (1455657).

111100011223 is an equidigital number, since it uses as much as digits as its factorization.

111100011223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1455656.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 111100011223 its reverse (322110001111), we get a palindrome (433210012334).

The spelling of 111100011223 in words is "one hundred eleven billion, one hundred million, eleven thousand, two hundred twenty-three".