111113231123340 has 384 divisors, whose sum is σ = 367006140103680. Its totient is φ = 27812204457984.

The previous prime is 111113231123333. The next prime is 111113231123353. The reversal of 111113231123340 is 43321132311111.

111113231123340 is a `hidden beast` number, since 1 + 1 + 1 + 1 + 1 + 3 + 2 + 311 + 2 + 3 + 340 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 6069430467 + ... + 6069448773.

It is an arithmetic number, because the mean of its divisors is an integer number (955745156520).

Almost surely, 2^{111113231123340} is an apocalyptic number.

111113231123340 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 111113231123340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183503070051840).

111113231123340 is an abundant number, since it is smaller than the sum of its proper divisors (255892908980340).

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

111113231123340 is a wasteful number, since it uses less digits than its factorization.

111113231123340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20086 (or 20078 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

Adding to 111113231123340 its reverse (43321132311111), we get a palindrome (154434363434451).

The spelling of 111113231123340 in words is "one hundred eleven trillion, one hundred thirteen billion, two hundred thirty-one million, one hundred twenty-three thousand, three hundred forty".