111021002112223 has 4 divisors (see below), whose sum is σ = 126881145271120. Its totient is φ = 95160858953328.

The previous prime is 111021002112191. The next prime is 111021002112259. The reversal of 111021002112223 is 322211200120111.

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

It is not a de Polignac number, because 111021002112223 - 2⁵ = 111021002112191 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111021002112223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111021002142223) 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, 7930071579438 + ... + 7930071579451.

It is an arithmetic number, because the mean of its divisors is an integer number (31720286317780).

Almost surely, 2^{111021002112223} is an apocalyptic number.

111021002112223 is a deficient number, since it is larger than the sum of its proper divisors (15860143158897).

111021002112223 is an equidigital number, since it uses as much as digits as its factorization.

111021002112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15860143158896.

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 111021002112223 its reverse (322211200120111), we get a palindrome (433232202232334).

The spelling of 111021002112223 in words is "one hundred eleven trillion, twenty-one billion, two million, one hundred twelve thousand, two hundred twenty-three".