10203321203 has 4 divisors (see below), whose sum is σ = 10646943888. Its totient is φ = 9759698520.

The previous prime is 10203321181. The next prime is 10203321209. The reversal of 10203321203 is 30212330201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 30212330201 = 73 ⋅413867537.

It is a cyclic number.

It is not a de Polignac number, because 10203321203 - 2¹⁴ = 10203304819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10203321209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221811308 + ... + 221811353.

It is an arithmetic number, because the mean of its divisors is an integer number (2661735972).

Almost surely, 2^10203321203 is an apocalyptic number.

10203321203 is a deficient number, since it is larger than the sum of its proper divisors (443622685).

10203321203 is an equidigital number, since it uses as much as digits as its factorization.

10203321203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 443622684.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 10203321203 its reverse (30212330201), we get a palindrome (40415651404).

The spelling of 10203321203 in words is "ten billion, two hundred three million, three hundred twenty-one thousand, two hundred three".