201211221200201 has 8 divisors (see below), whose sum is σ = 201339340139520. Its totient is φ = 201083126233312.

The previous prime is 201211221200191. The next prime is 201211221200261. The reversal of 201211221200201 is 102002122112102.

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 201211221200201 - 2⁴² = 196813174689097 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 201211221200201.

It is not an unprimeable number, because it can be changed into a prime (201211221200261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10814120 + ... + 22789638.

It is an arithmetic number, because the mean of its divisors is an integer number (25167417517440).

Almost surely, 2^{201211221200201} is an apocalyptic number.

It is an amenable number.

201211221200201 is a deficient number, since it is larger than the sum of its proper divisors (128118939319).

201211221200201 is a wasteful number, since it uses less digits than its factorization.

201211221200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11986215.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 201211221200201 its reverse (102002122112102), we get a palindrome (303213343312303).

The spelling of 201211221200201 in words is "two hundred one trillion, two hundred eleven billion, two hundred twenty-one million, two hundred thousand, two hundred one".