10213244521 has 2 divisors, whose sum is σ = 10213244522. Its totient is φ = 10213244520.

The previous prime is 10213244473. The next prime is 10213244527. The reversal of 10213244521 is 12544231201.

10213244521 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9556040025 + 657204496 = 97755^2 + 25636^2 .

It is a cyclic number.

It is not a de Polignac number, because 10213244521 - 2³³ = 1623309929 is a prime.

It is not a weakly prime, because it can be changed into another prime (10213244527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5106622260 + 5106622261.

It is an arithmetic number, because the mean of its divisors is an integer number (5106622261).

Almost surely, 2^10213244521 is an apocalyptic number.

It is an amenable number.

10213244521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10213244521 is an equidigital number, since it uses as much as digits as its factorization.

10213244521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1920, while the sum is 25.

Adding to 10213244521 its reverse (12544231201), we get a palindrome (22757475722).

The spelling of 10213244521 in words is "ten billion, two hundred thirteen million, two hundred forty-four thousand, five hundred twenty-one".