10213121303 has 12 divisors (see below), whose sum is σ = 12960622152. Its totient is φ = 7958275920.

The previous prime is 10213121299. The next prime is 10213121329. The reversal of 10213121303 is 30312131201.

It is not a de Polignac number, because 10213121303 - 2² = 10213121299 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 (10213121353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9473600 + ... + 9474677.

It is an arithmetic number, because the mean of its divisors is an integer number (1080051846).

Almost surely, 2^10213121303 is an apocalyptic number.

10213121303 is a deficient number, since it is larger than the sum of its proper divisors (2747500849).

10213121303 is a wasteful number, since it uses less digits than its factorization.

10213121303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18948302 (or 18948295 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10213121303 its reverse (30312131201), we get a palindrome (40525252504).

The spelling of 10213121303 in words is "ten billion, two hundred thirteen million, one hundred twenty-one thousand, three hundred three".