10203321020103 has 6 divisors (see below), whose sum is σ = 14738130362384. Its totient is φ = 6802214013396.

The previous prime is 10203321020071. The next prime is 10203321020117. The reversal of 10203321020103 is 30102012330201.

It is not a de Polignac number, because 10203321020103 - 2⁵ = 10203321020071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203321020183) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 566851167775 + ... + 566851167792.

Almost surely, 2^{10203321020103} is an apocalyptic number.

10203321020103 is a deficient number, since it is larger than the sum of its proper divisors (4534809342281).

10203321020103 is a wasteful number, since it uses less digits than its factorization.

10203321020103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1133702335573 (or 1133702335570 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 10203321020103 its reverse (30102012330201), we get a palindrome (40305333350304).

The spelling of 10203321020103 in words is "ten trillion, two hundred three billion, three hundred twenty-one million, twenty thousand, one hundred three".