10251430221 has 32 divisors (see below), whose sum is σ = 14526054400. Its totient is φ = 6412633920.

The previous prime is 10251430193. The next prime is 10251430243. The reversal of 10251430221 is 12203415201.

It is not a de Polignac number, because 10251430221 - 2¹³ = 10251422029 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 (10251430261) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7173135 + ... + 7174563.

It is an arithmetic number, because the mean of its divisors is an integer number (453939200).

Almost surely, 2^10251430221 is an apocalyptic number.

It is an amenable number.

10251430221 is a deficient number, since it is larger than the sum of its proper divisors (4274624179).

10251430221 is a wasteful number, since it uses less digits than its factorization.

10251430221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2569.

The product of its (nonzero) digits is 480, while the sum is 21.

Adding to 10251430221 its reverse (12203415201), we get a palindrome (22454845422).

The spelling of 10251430221 in words is "ten billion, two hundred fifty-one million, four hundred thirty thousand, two hundred twenty-one".