1113320020120 has 128 divisors (see below), whose sum is σ = 3124142784000. Its totient is φ = 346890700800.

The previous prime is 1113320020097. The next prime is 1113320020121. The reversal of 1113320020120 is 210200233111.

It is a junction number, because it is equal to n+sod(n) for n = 1113320020094 and 1113320020103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1113320020121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9213856 + ... + 9333904.

It is an arithmetic number, because the mean of its divisors is an integer number (24407365500).

Almost surely, 2^{1113320020120} is an apocalyptic number.

1113320020120 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 1113320020120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562071392000).

1113320020120 is an abundant number, since it is smaller than the sum of its proper divisors (2010822763880).

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

1113320020120 is a wasteful number, since it uses less digits than its factorization.

1113320020120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123089 (or 123085 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1113320020120 its reverse (210200233111), we get a palindrome (1323520253231).

The spelling of 1113320020120 in words is "one trillion, one hundred thirteen billion, three hundred twenty million, twenty thousand, one hundred twenty".