10365422521 has 2 divisors, whose sum is σ = 10365422522. Its totient is φ = 10365422520.

The previous prime is 10365422519. The next prime is 10365422531. The reversal of 10365422521 is 12522456301.

10365422521 is digitally balanced in base 3, 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., 9749390121 + 616032400 = 98739^2 + 24820^2 .

It is a cyclic number.

It is not a de Polignac number, because 10365422521 - 2¹ = 10365422519 is a prime.

Together with 10365422519, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (10365422531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5182711260 + 5182711261.

It is an arithmetic number, because the mean of its divisors is an integer number (5182711261).

Almost surely, 2^10365422521 is an apocalyptic number.

It is an amenable number.

10365422521 is a deficient number, since it is larger than the sum of its proper divisors (1).

10365422521 is an equidigital number, since it uses as much as digits as its factorization.

10365422521 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14400, while the sum is 31.

Adding to 10365422521 its reverse (12522456301), we get a palindrome (22887878822).

The spelling of 10365422521 in words is "ten billion, three hundred sixty-five million, four hundred twenty-two thousand, five hundred twenty-one".