111222132223 has 4 divisors (see below), whose sum is σ = 113045445928. Its totient is φ = 109398818520.

The previous prime is 111222132221. The next prime is 111222132251. The reversal of 111222132223 is 322231222111.

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 111222132223 - 2¹ = 111222132221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111222132194 and 111222132203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222132221) 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, 911656761 + ... + 911656882.

It is an arithmetic number, because the mean of its divisors is an integer number (28261361482).

Almost surely, 2^111222132223 is an apocalyptic number.

111222132223 is a deficient number, since it is larger than the sum of its proper divisors (1823313705).

111222132223 is an equidigital number, since it uses as much as digits as its factorization.

111222132223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1823313704.

The product of its digits is 576, while the sum is 22.

Adding to 111222132223 its reverse (322231222111), we get a palindrome (433453354334).

The spelling of 111222132223 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred thirty-two thousand, two hundred twenty-three".