111330033128 has 16 divisors (see below), whose sum is σ = 208764694500. Its totient is φ = 55659447936.

The previous prime is 111330033127. The next prime is 111330033149. The reversal of 111330033128 is 821330033111.

It can be written as a sum of positive squares in 2 ways, for example, as 103016605444 + 8313427684 = 320962^2 + 91178^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111330033097 and 111330033106.

It is not an unprimeable number, because it can be changed into a prime (111330033127) 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 3 ways as a sum of consecutive naturals, for example, 610493 + ... + 771596.

Almost surely, 2^111330033128 is an apocalyptic number.

It is an amenable number.

111330033128 is a deficient number, since it is larger than the sum of its proper divisors (97434661372).

111330033128 is a wasteful number, since it uses less digits than its factorization.

111330033128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1392164 (or 1392160 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

Adding to 111330033128 its reverse (821330033111), we get a palindrome (932660066239).

The spelling of 111330033128 in words is "one hundred eleven billion, three hundred thirty million, thirty-three thousand, one hundred twenty-eight".