111303003021320 has 64 divisors (see below), whose sum is σ = 273202558041600. Its totient is φ = 40473185518080.

The previous prime is 111303003021319. The next prime is 111303003021341. The reversal of 111303003021320 is 23120300303111.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 111303003021292 and 111303003021301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26619836 + ... + 30515924.

It is an arithmetic number, because the mean of its divisors is an integer number (4268789969400).

Almost surely, 2^{111303003021320} is an apocalyptic number.

111303003021320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111303003021320 is an abundant number, since it is smaller than the sum of its proper divisors (161899555020280).

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

111303003021320 is a wasteful number, since it uses less digits than its factorization.

111303003021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3961038 (or 3961034 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 111303003021320 its reverse (23120300303111), we get a palindrome (134423303324431).

The spelling of 111303003021320 in words is "one hundred eleven trillion, three hundred three billion, three million, twenty-one thousand, three hundred twenty".