113120333100 has 162 divisors, whose sum is σ = 364415324364. Its totient is φ = 29349820800.

The previous prime is 113120332991. The next prime is 113120333101. The reversal of 113120333100 is 1333021311.

It is a happy number.

113120333100 is a `hidden beast` number, since 1 + 131 + 203 + 331 + 0 + 0 = 666.

It is a super-2 number, since 2×113120333100² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (113120333101) by changing a digit.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 1186195 + ... + 1278005.

Almost surely, 2^113120333100 is an apocalyptic number.

113120333100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113120333100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182207662182).

113120333100 is an abundant number, since it is smaller than the sum of its proper divisors (251294991264).

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

113120333100 is a wasteful number, since it uses less digits than its factorization.

113120333100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91905 (or 91858 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 113120333100 its reverse (1333021311), we get a palindrome (114453354411).

The spelling of 113120333100 in words is "one hundred thirteen billion, one hundred twenty million, three hundred thirty-three thousand, one hundred".