10030000021 has 4 divisors (see below), whose sum is σ = 10051663552. Its totient is φ = 10008336492.

The previous prime is 10029999977. The next prime is 10030000033. The reversal of 10030000021 is 12000003001.

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 10030000021 - 2¹⁵ = 10029967253 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10029999959 and 10030000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10030000921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10831071 + ... + 10831996.

It is an arithmetic number, because the mean of its divisors is an integer number (2512915888).

Almost surely, 2^10030000021 is an apocalyptic number.

It is an amenable number.

10030000021 is a deficient number, since it is larger than the sum of its proper divisors (21663531).

10030000021 is an equidigital number, since it uses as much as digits as its factorization.

10030000021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21663530.

The product of its (nonzero) digits is 6, while the sum is 7.

Adding to 10030000021 its reverse (12000003001), we get a palindrome (22030003022).

The spelling of 10030000021 in words is "ten billion, thirty million, twenty-one", and thus it is an aban number and an uban number.