201201330221 has 4 divisors (see below), whose sum is σ = 207691695744. Its totient is φ = 194710964700.

The previous prime is 201201330203. The next prime is 201201330299. The reversal of 201201330221 is 122033102102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 122033102102 = 2 ⋅61016551051.

It is a cyclic number.

It is not a de Polignac number, because 201201330221 - 2⁶ = 201201330157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201201330221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201201330521) 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 3 ways as a sum of consecutive naturals, for example, 3245182715 + ... + 3245182776.

It is an arithmetic number, because the mean of its divisors is an integer number (51922923936).

Almost surely, 2^201201330221 is an apocalyptic number.

It is an amenable number.

201201330221 is a deficient number, since it is larger than the sum of its proper divisors (6490365523).

201201330221 is an equidigital number, since it uses as much as digits as its factorization.

201201330221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6490365522.

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

Adding to 201201330221 its reverse (122033102102), we get a palindrome (323234432323).

The spelling of 201201330221 in words is "two hundred one billion, two hundred one million, three hundred thirty thousand, two hundred twenty-one".