113120120203230 has 128 divisors (see below), whose sum is σ = 318037035488256. Its totient is φ = 25209750758400.

The previous prime is 113120120203183. The next prime is 113120120203253. The reversal of 113120120203230 is 32302021021311.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 113120120203197 and 113120120203206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9815325 + ... + 17960535.

It is an arithmetic number, because the mean of its divisors is an integer number (2484664339752).

Almost surely, 2^{113120120203230} is an apocalyptic number.

113120120203230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 113120120203230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159018517744128).

113120120203230 is an abundant number, since it is smaller than the sum of its proper divisors (204916915285026).

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

113120120203230 is a wasteful number, since it uses less digits than its factorization.

113120120203230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8146882.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 113120120203230 its reverse (32302021021311), we get a palindrome (145422141224541).

The spelling of 113120120203230 in words is "one hundred thirteen trillion, one hundred twenty billion, one hundred twenty million, two hundred three thousand, two hundred thirty".