10006025221 has 4 divisors (see below), whose sum is σ = 10008726700. Its totient is φ = 10003323744.

The previous prime is 10006025209. The next prime is 10006025321. The reversal of 10006025221 is 12252060001.

10006025221 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.

It can be written as a sum of positive squares in 2 ways, for example, as 5773872196 + 4232153025 = 75986^2 + 65055^2 .

It is a cyclic number.

It is not a de Polignac number, because 10006025221 - 2¹¹ = 10006023173 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 (10006025201) 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, 1345176 + ... + 1352593.

It is an arithmetic number, because the mean of its divisors is an integer number (2502181675).

Almost surely, 2^10006025221 is an apocalyptic number.

It is an amenable number.

10006025221 is a deficient number, since it is larger than the sum of its proper divisors (2701479).

10006025221 is an equidigital number, since it uses as much as digits as its factorization.

10006025221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2701478.

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 10006025221 its reverse (12252060001), we get a palindrome (22258085222).

The spelling of 10006025221 in words is "ten billion, six million, twenty-five thousand, two hundred twenty-one".