201221200201211 has 8 divisors (see below), whose sum is σ = 205946960357424. Its totient is φ = 196497539925120.

The previous prime is 201221200201169. The next prime is 201221200201243. The reversal of 201221200201211 is 112102002122102.

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 201221200201211 - 2¹⁴ = 201221200184827 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 201221200201211.

It is not an unprimeable number, because it can be changed into a prime (201221200201261) 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, 524776130 + ... + 525159431.

It is an arithmetic number, because the mean of its divisors is an integer number (25743370044678).

Almost surely, 2^{201221200201211} is an apocalyptic number.

201221200201211 is a deficient number, since it is larger than the sum of its proper divisors (4725760156213).

201221200201211 is a wasteful number, since it uses less digits than its factorization.

201221200201211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1049940061.

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

Adding to 201221200201211 its reverse (112102002122102), we get a palindrome (313323202323313).

The spelling of 201221200201211 in words is "two hundred one trillion, two hundred twenty-one billion, two hundred million, two hundred one thousand, two hundred eleven".