2003112110321 has 16 divisors (see below), whose sum is σ = 2294058624000. Its totient is φ = 1713364554960.

The previous prime is 2003112110317. The next prime is 2003112110353. The reversal of 2003112110321 is 1230112113002.

It is a cyclic number.

It is not a de Polignac number, because 2003112110321 - 2² = 2003112110317 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003112110321.

It is not an unprimeable number, because it can be changed into a prime (2003112110921) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 11903450 + ... + 12070556.

It is an arithmetic number, because the mean of its divisors is an integer number (143378664000).

Almost surely, 2^{2003112110321} is an apocalyptic number.

It is an amenable number.

2003112110321 is a deficient number, since it is larger than the sum of its proper divisors (290946513679).

2003112110321 is a wasteful number, since it uses less digits than its factorization.

2003112110321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170684.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2003112110321 its reverse (1230112113002), we get a palindrome (3233224223323).

The spelling of 2003112110321 in words is "two trillion, three billion, one hundred twelve million, one hundred ten thousand, three hundred twenty-one".