210522225013 has 2 divisors, whose sum is σ = 210522225014. Its totient is φ = 210522225012.

The previous prime is 210522224993. The next prime is 210522225101. The reversal of 210522225013 is 310522225012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 137669197444 + 72853027569 = 371038^2 + 269913^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210522225013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210522225713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105261112506 + 105261112507.

It is an arithmetic number, because the mean of its divisors is an integer number (105261112507).

Almost surely, 2^210522225013 is an apocalyptic number.

It is an amenable number.

210522225013 is a deficient number, since it is larger than the sum of its proper divisors (1).

210522225013 is an equidigital number, since it uses as much as digits as its factorization.

210522225013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2400, while the sum is 25.

Subtracting 210522225013 from its reverse (310522225012), we obtain a palindrome (99999999999).

The spelling of 210522225013 in words is "two hundred ten billion, five hundred twenty-two million, two hundred twenty-five thousand, thirteen".