113011200120 has 512 divisors, whose sum is σ = 447219118080. Its totient is φ = 22189178880.

The previous prime is 113011200103. The next prime is 113011200131. The reversal of 113011200120 is 21002110311.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 113011200096 and 113011200105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 9286840 + ... + 9299000.

It is an arithmetic number, because the mean of its divisors is an integer number (873474840).

Almost surely, 2^113011200120 is an apocalyptic number.

113011200120 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 113011200120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (223609559040).

113011200120 is an abundant number, since it is smaller than the sum of its proper divisors (334207917960).

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

113011200120 is a wasteful number, since it uses less digits than its factorization.

113011200120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12255 (or 12251 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 12.

Adding to 113011200120 its reverse (21002110311), we get a palindrome (134013310431).

The spelling of 113011200120 in words is "one hundred thirteen billion, eleven million, two hundred thousand, one hundred twenty".