111223133230 has 16 divisors (see below), whose sum is σ = 218401789104. Its totient is φ = 40444775680.

The previous prime is 111223133201. The next prime is 111223133237. The reversal of 111223133230 is 32331322111.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111223133237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505559587 + ... + 505559806.

It is an arithmetic number, because the mean of its divisors is an integer number (13650111819).

Almost surely, 2^111223133230 is an apocalyptic number.

111223133230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111223133230 is a deficient number, since it is larger than the sum of its proper divisors (107178655874).

111223133230 is a wasteful number, since it uses less digits than its factorization.

111223133230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011119411.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 111223133230 its reverse (32331322111), we get a palindrome (143554455341).

The spelling of 111223133230 in words is "one hundred eleven billion, two hundred twenty-three million, one hundred thirty-three thousand, two hundred thirty".