201001013321 has 2 divisors, whose sum is σ = 201001013322. Its totient is φ = 201001013320.

The previous prime is 201001013309. The next prime is 201001013333. The reversal of 201001013321 is 123310100102.

It is a balanced prime because it is at equal distance from previous prime (201001013309) and next prime (201001013333).

It can be written as a sum of positive squares in only one way, i.e., 185988637696 + 15012375625 = 431264^2 + 122525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201001013321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201001013296 and 201001013305.

It is not a weakly prime, because it can be changed into another prime (201001013351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100500506660 + 100500506661.

It is an arithmetic number, because the mean of its divisors is an integer number (100500506661).

Almost surely, 2^201001013321 is an apocalyptic number.

It is an amenable number.

201001013321 is a deficient number, since it is larger than the sum of its proper divisors (1).

201001013321 is an equidigital number, since it uses as much as digits as its factorization.

201001013321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 201001013321 its reverse (123310100102), we get a palindrome (324311113423).

The spelling of 201001013321 in words is "two hundred one billion, one million, thirteen thousand, three hundred twenty-one".