2003112101320 has 64 divisors (see below), whose sum is σ = 5086272139200. Its totient is φ = 703287002880.

The previous prime is 2003112101311. The next prime is 2003112101321. The reversal of 2003112101320 is 231012113002.

It is a junction number, because it is equal to n+sod(n) for n = 2003112101294 and 2003112101303.

It is not an unprimeable number, because it can be changed into a prime (2003112101321) 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 15 ways as a sum of consecutive naturals, for example, 78479094 + ... + 78504613.

It is an arithmetic number, because the mean of its divisors is an integer number (79473002175).

Almost surely, 2^{2003112101320} is an apocalyptic number.

2003112101320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2003112101320 is an abundant number, since it is smaller than the sum of its proper divisors (3083160037880).

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

2003112101320 is a wasteful number, since it uses less digits than its factorization.

2003112101320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156983758 (or 156983754 counting only the distinct ones).

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

Adding to 2003112101320 its reverse (231012113002), we get a palindrome (2234124214322).

The spelling of 2003112101320 in words is "two trillion, three billion, one hundred twelve million, one hundred one thousand, three hundred twenty".