111221333223 has 192 divisors, whose sum is σ = 215363473920. Its totient is φ = 50091955200.

The previous prime is 111221333147. The next prime is 111221333231. The reversal of 111221333223 is 322333122111.

It is not a de Polignac number, because 111221333223 - 2⁹ = 111221332711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 111221333193 and 111221333202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111221333023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 22553068 + ... + 22557998.

It is an arithmetic number, because the mean of its divisors is an integer number (1121684760).

Almost surely, 2^111221333223 is an apocalyptic number.

111221333223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111221333223 is a deficient number, since it is larger than the sum of its proper divisors (104142140697).

111221333223 is a wasteful number, since it uses less digits than its factorization.

111221333223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5038 (or 5031 counting only the distinct ones).

The product of its digits is 1296, while the sum is 24.

Adding to 111221333223 its reverse (322333122111), we get a palindrome (433554455334).

It can be divided in two parts, 111221 and 333223, that added together give a palindrome (444444).

The spelling of 111221333223 in words is "one hundred eleven billion, two hundred twenty-one million, three hundred thirty-three thousand, two hundred twenty-three".