1113331123320 has 256 divisors, whose sum is σ = 3696137585280. Its totient is φ = 266499072000.

The previous prime is 1113331123273. The next prime is 1113331123349. The reversal of 1113331123320 is 233211333111.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 63 ways as a sum of consecutive naturals, for example, 137427270 + ... + 137435370.

Almost surely, 2^{1113331123320} is an apocalyptic number.

1113331123320 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 1113331123320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1848068792640).

1113331123320 is an abundant number, since it is smaller than the sum of its proper divisors (2582806461960).

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

1113331123320 is a wasteful number, since it uses less digits than its factorization.

1113331123320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10546 (or 10542 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 1113331123320 its reverse (233211333111), we get a palindrome (1346542456431).

The spelling of 1113331123320 in words is "one trillion, one hundred thirteen billion, three hundred thirty-one million, one hundred twenty-three thousand, three hundred twenty".