111222110223 has 48 divisors (see below), whose sum is σ = 191150446656. Its totient is φ = 60990589440.

The previous prime is 111222110203. The next prime is 111222110273. The reversal of 111222110223 is 322011222111.

111222110223 is a `hidden beast` number, since 111 + 222 + 110 + 223 = 666.

It is not a de Polignac number, because 111222110223 - 2²¹ = 111220013071 is a prime.

It is a super-2 number, since 2×111222110223² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111222110196 and 111222110205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111222110203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 156648 + ... + 496973.

It is an arithmetic number, because the mean of its divisors is an integer number (3982300972).

Almost surely, 2^111222110223 is an apocalyptic number.

111222110223 is a deficient number, since it is larger than the sum of its proper divisors (79928336433).

111222110223 is a wasteful number, since it uses less digits than its factorization.

111222110223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653744 (or 653741 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 111222110223 its reverse (322011222111), we get a palindrome (433233332334).

It can be divided in two parts, 111222 and 110223, that added together give a triangular number (221445 = T₆₆₅).

The spelling of 111222110223 in words is "one hundred eleven billion, two hundred twenty-two million, one hundred ten thousand, two hundred twenty-three".