201221001200201 has 8 divisors (see below), whose sum is σ = 201397930800480. Its totient is φ = 201044078321632.

The previous prime is 201221001200183. The next prime is 201221001200311. The reversal of 201221001200201 is 102002100122102.

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 201221001200201 - 2²⁶ = 201220934091337 is a prime.

It is a super-2 number, since 2×201221001200201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201221001206201) 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, 59186330 + ... + 62493708.

It is an arithmetic number, because the mean of its divisors is an integer number (25174741350060).

Almost surely, 2^{201221001200201} is an apocalyptic number.

It is an amenable number.

201221001200201 is a deficient number, since it is larger than the sum of its proper divisors (176929600279).

201221001200201 is a wasteful number, since it uses less digits than its factorization.

201221001200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3360855.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 201221001200201 its reverse (102002100122102), we get a palindrome (303223101322303).

The spelling of 201221001200201 in words is "two hundred one trillion, two hundred twenty-one billion, one million, two hundred thousand, two hundred one".