10003102021 has 4 divisors (see below), whose sum is σ = 10912474944. Its totient is φ = 9093729100.

The previous prime is 10003102003. The next prime is 10003102049. The reversal of 10003102021 is 12020130001.

10003102021 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.

It is a cyclic number.

It is not a de Polignac number, because 10003102021 - 2⁵ = 10003101989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10003101989 and 10003102007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10003102001) 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, 454686445 + ... + 454686466.

It is an arithmetic number, because the mean of its divisors is an integer number (2728118736).

Almost surely, 2^10003102021 is an apocalyptic number.

10003102021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10003102021 is a deficient number, since it is larger than the sum of its proper divisors (909372923).

10003102021 is an equidigital number, since it uses as much as digits as its factorization.

10003102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 909372922.

The product of its (nonzero) digits is 12, while the sum is 10.

Adding to 10003102021 its reverse (12020130001), we get a palindrome (22023232022).

The spelling of 10003102021 in words is "ten billion, three million, one hundred two thousand, twenty-one".