201221211311322 has 16 divisors (see below), whose sum is σ = 411005027359872. Its totient is φ = 65646636314240.

The previous prime is 201221211311303. The next prime is 201221211311327. The reversal of 201221211311322 is 223113112122102.

201221211311322 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 201221211311292 and 201221211311301.

It is not an unprimeable number, because it can be changed into a prime (201221211311327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 356775197079 + ... + 356775197642.

It is an arithmetic number, because the mean of its divisors is an integer number (25687814209992).

Almost surely, 2^{201221211311322} is an apocalyptic number.

201221211311322 is an abundant number, since it is smaller than the sum of its proper divisors (209783816048550).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

201221211311322 is a wasteful number, since it uses less digits than its factorization.

201221211311322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713550394773.

The product of its (nonzero) digits is 576, while the sum is 24.

Adding to 201221211311322 its reverse (223113112122102), we get a palindrome (424334323433424).

The spelling of 201221211311322 in words is "two hundred one trillion, two hundred twenty-one billion, two hundred eleven million, three hundred eleven thousand, three hundred twenty-two".