201221002201 has 8 divisors (see below), whose sum is σ = 207926833664. Its totient is φ = 194528597760.

The previous prime is 201221002123. The next prime is 201221002207. The reversal of 201221002201 is 102200122102.

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 201221002201 - 2⁹ = 201221001689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201221002207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3326280 + ... + 3386233.

It is an arithmetic number, because the mean of its divisors is an integer number (25990854208).

Almost surely, 2^201221002201 is an apocalyptic number.

It is an amenable number.

201221002201 is a deficient number, since it is larger than the sum of its proper divisors (6705831463).

201221002201 is an equidigital number, since it uses as much as digits as its factorization.

201221002201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6713511.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201221002201 its reverse (102200122102), we get a palindrome (303421124303).

The spelling of 201221002201 in words is "two hundred one billion, two hundred twenty-one million, two thousand, two hundred one".