201322001 has 8 divisors (see below), whose sum is σ = 206869344. Its totient is φ = 195814080.

The previous prime is 201321997. The next prime is 201322039. The reversal of 201322001 is 100223102.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 201322001 - 2² = 201321997 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201322301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 650 + ... + 20076.

It is an arithmetic number, because the mean of its divisors is an integer number (25858668).

Almost surely, 2^201322001 is an apocalyptic number.

It is an amenable number.

201322001 is a deficient number, since it is larger than the sum of its proper divisors (5547343).

201322001 is a wasteful number, since it uses less digits than its factorization.

201322001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19711.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 201322001 is about 14188.7984339760. The cubic root of 201322001 is about 586.0892371100.

Adding to 201322001 its reverse (100223102), we get a palindrome (301545103).

The spelling of 201322001 in words is "two hundred one million, three hundred twenty-two thousand, one".