111101312032 has 24 divisors (see below), whose sum is σ = 231597221436. Its totient is φ = 52282970112.

The previous prime is 111101312029. The next prime is 111101312053. The reversal of 111101312032 is 230213101111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 107266730256 + 3834581776 = 327516^2 + 61924^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 111101311997 and 111101312015.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 102114633 + ... + 102115720.

Almost surely, 2^111101312032 is an apocalyptic number.

It is an amenable number.

111101312032 is an abundant number, since it is smaller than the sum of its proper divisors (120495909404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111101312032 is a wasteful number, since it uses less digits than its factorization.

111101312032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204230380 (or 204230372 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 111101312032 its reverse (230213101111), we get a palindrome (341314413143).

The spelling of 111101312032 in words is "one hundred eleven billion, one hundred one million, three hundred twelve thousand, thirty-two".