111011210112223 has 4 divisors (see below), whose sum is σ = 111019459453920. Its totient is φ = 111002960770528.

The previous prime is 111011210112163. The next prime is 111011210112227. The reversal of 111011210112223 is 322211012110111.

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 111011210112223 - 2¹³ = 111011210104031 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 111011210112223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111011210112227) 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, 4124650663 + ... + 4124677576.

It is an arithmetic number, because the mean of its divisors is an integer number (27754864863480).

Almost surely, 2^{111011210112223} is an apocalyptic number.

111011210112223 is a deficient number, since it is larger than the sum of its proper divisors (8249341697).

111011210112223 is an equidigital number, since it uses as much as digits as its factorization.

111011210112223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249341696.

The product of its (nonzero) digits is 48, while the sum is 19.

Adding to 111011210112223 its reverse (322211012110111), we get a palindrome (433222222222334).

The spelling of 111011210112223 in words is "one hundred eleven trillion, eleven billion, two hundred ten million, one hundred twelve thousand, two hundred twenty-three".