113001220032 has 56 divisors (see below), whose sum is σ = 299264198016. Its totient is φ = 37631570688.

The previous prime is 113001220021. The next prime is 113001220091. The reversal of 113001220032 is 230022100311.

It is a junction number, because it is equal to n+sod(n) for n = 113001219993 and 113001220020.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 72738 + ... + 480929.

It is an arithmetic number, because the mean of its divisors is an integer number (5344003536).

Almost surely, 2^113001220032 is an apocalyptic number.

113001220032 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

113001220032 is an abundant number, since it is smaller than the sum of its proper divisors (186262977984).

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

113001220032 is a wasteful number, since it uses less digits than its factorization.

113001220032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554745 (or 554735 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 113001220032 its reverse (230022100311), we get a palindrome (343023320343).

The spelling of 113001220032 in words is "one hundred thirteen billion, one million, two hundred twenty thousand, thirty-two".