10103434021 has 4 divisors (see below), whose sum is σ = 10120646592. Its totient is φ = 10086221452.

The previous prime is 10103434001. The next prime is 10103434051. The reversal of 10103434021 is 12043430101.

10103434021 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12043430101 = 293 ⋅41103857.

It is a cyclic number.

It is not a de Polignac number, because 10103434021 - 2²³ = 10095045413 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 10103434021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10103434001) 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, 8605405 + ... + 8606578.

It is an arithmetic number, because the mean of its divisors is an integer number (2530161648).

Almost surely, 2^10103434021 is an apocalyptic number.

It is an amenable number.

10103434021 is a deficient number, since it is larger than the sum of its proper divisors (17212571).

10103434021 is an equidigital number, since it uses as much as digits as its factorization.

10103434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17212570.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 10103434021 its reverse (12043430101), we get a palindrome (22146864122).

The spelling of 10103434021 in words is "ten billion, one hundred three million, four hundred thirty-four thousand, twenty-one".