111103311128 has 32 divisors (see below), whose sum is σ = 211465740960. Its totient is φ = 54714024960.

The previous prime is 111103311127. The next prime is 111103311157. The reversal of 111103311128 is 821113301111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111103311127) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 468200 + ... + 664392.

It is an arithmetic number, because the mean of its divisors is an integer number (6608304405).

Almost surely, 2^111103311128 is an apocalyptic number.

It is an amenable number.

111103311128 is a deficient number, since it is larger than the sum of its proper divisors (100362429832).

111103311128 is a wasteful number, since it uses less digits than its factorization.

111103311128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197267 (or 197263 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 23.

Adding to 111103311128 its reverse (821113301111), we get a palindrome (932216612239).

The spelling of 111103311128 in words is "one hundred eleven billion, one hundred three million, three hundred eleven thousand, one hundred twenty-eight".