522212100321 has 16 divisors (see below), whose sum is σ = 734719524480. Its totient is φ = 329263186560.

The previous prime is 522212100271. The next prime is 522212100323. The reversal of 522212100321 is 123001212225.

It is not a de Polignac number, because 522212100321 - 2¹¹ = 522212098273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (522212100323) 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 in 15 ways as a sum of consecutive naturals, for example, 42512350 + ... + 42524631.

It is an arithmetic number, because the mean of its divisors is an integer number (45919970280).

Almost surely, 2^522212100321 is an apocalyptic number.

It is an amenable number.

522212100321 is a deficient number, since it is larger than the sum of its proper divisors (212507424159).

522212100321 is a wasteful number, since it uses less digits than its factorization.

522212100321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85037096.

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

Adding to 522212100321 its reverse (123001212225), we get a palindrome (645213312546).

The spelling of 522212100321 in words is "five hundred twenty-two billion, two hundred twelve million, one hundred thousand, three hundred twenty-one".