111223311303 has 16 divisors (see below), whose sum is σ = 161499713760. Its totient is φ = 67676066304.

The previous prime is 111223311229. The next prime is 111223311307. The reversal of 111223311303 is 303113322111.

It is a happy number.

It is not a de Polignac number, because 111223311303 - 2²¹ = 111221214151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 111223311303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223311307) 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, 16018326 + ... + 16025267.

It is an arithmetic number, because the mean of its divisors is an integer number (10093732110).

Almost surely, 2^111223311303 is an apocalyptic number.

111223311303 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

111223311303 is a deficient number, since it is larger than the sum of its proper divisors (50276402457).

111223311303 is a wasteful number, since it uses less digits than its factorization.

111223311303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32043698.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 111223311303 its reverse (303113322111), we get a palindrome (414336633414).

The spelling of 111223311303 in words is "one hundred eleven billion, two hundred twenty-three million, three hundred eleven thousand, three hundred three".