111220133223 has 16 divisors (see below), whose sum is σ = 153118592000. Its totient is φ = 71735509440.

The previous prime is 111220133221. The next prime is 111220133231. The reversal of 111220133223 is 322331022111.

It is not a de Polignac number, because 111220133223 - 2¹ = 111220133221 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 111220133223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111220133221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 187803 + ... + 507651.

It is an arithmetic number, because the mean of its divisors is an integer number (9569912000).

Almost surely, 2^111220133223 is an apocalyptic number.

111220133223 is a deficient number, since it is larger than the sum of its proper divisors (41898458777).

111220133223 is a wasteful number, since it uses less digits than its factorization.

111220133223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323622.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111220133223 its reverse (322331022111), we get a palindrome (433551155334).

The spelling of 111220133223 in words is "one hundred eleven billion, two hundred twenty million, one hundred thirty-three thousand, two hundred twenty-three".