201322310021 has 8 divisors (see below), whose sum is σ = 231096221760. Its totient is φ = 171801793728.

The previous prime is 201322309987. The next prime is 201322310029. The reversal of 201322310021 is 120013223102.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201322310021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201322310029) 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, 63347156 + ... + 63350333.

It is an arithmetic number, because the mean of its divisors is an integer number (28887027720).

Almost surely, 2^201322310021 is an apocalyptic number.

It is an amenable number.

201322310021 is a deficient number, since it is larger than the sum of its proper divisors (29773911739).

201322310021 is a wasteful number, since it uses less digits than its factorization.

201322310021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126697723.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 201322310021 its reverse (120013223102), we get a palindrome (321335533123).

The spelling of 201322310021 in words is "two hundred one billion, three hundred twenty-two million, three hundred ten thousand, twenty-one".