111122221302223 has 4 divisors (see below), whose sum is σ = 111124009879288. Its totient is φ = 111120432725160.

The previous prime is 111122221302203. The next prime is 111122221302259. The reversal of 111122221302223 is 322203122221111.

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 111122221302223 - 2¹³ = 111122221294031 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 (111122221302203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 894195336 + ... + 894319597.

It is an arithmetic number, because the mean of its divisors is an integer number (27781002469822).

Almost surely, 2^{111122221302223} is an apocalyptic number.

111122221302223 is a deficient number, since it is larger than the sum of its proper divisors (1788577065).

111122221302223 is an equidigital number, since it uses as much as digits as its factorization.

111122221302223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788577064.

The product of its (nonzero) digits is 1152, while the sum is 25.

Adding to 111122221302223 its reverse (322203122221111), we get a palindrome (433325343523334).

The spelling of 111122221302223 in words is "one hundred eleven trillion, one hundred twenty-two billion, two hundred twenty-one million, three hundred two thousand, two hundred twenty-three".