10251324221 has 2 divisors, whose sum is σ = 10251324222. Its totient is φ = 10251324220.

The previous prime is 10251324217. The next prime is 10251324233. The reversal of 10251324221 is 12242315201.

10251324221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7479828196 + 2771496025 = 86486^2 + 52645^2 .

It is a cyclic number.

It is not a de Polignac number, because 10251324221 - 2² = 10251324217 is a prime.

It is a super-2 number, since 2×10251324221² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10251324211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5125662110 + 5125662111.

It is an arithmetic number, because the mean of its divisors is an integer number (5125662111).

Almost surely, 2^10251324221 is an apocalyptic number.

It is an amenable number.

10251324221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10251324221 is an equidigital number, since it uses as much as digits as its factorization.

10251324221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 960, while the sum is 23.

Adding to 10251324221 its reverse (12242315201), we get a palindrome (22493639422).

The spelling of 10251324221 in words is "ten billion, two hundred fifty-one million, three hundred twenty-four thousand, two hundred twenty-one".