201221330212201 has 128 divisors (see below), whose sum is σ = 234130950144000. Its totient is φ = 171522781562880.

The previous prime is 201221330212169. The next prime is 201221330212211. The reversal of 201221330212201 is 102212033122102.

It is a cyclic number.

It is not a de Polignac number, because 201221330212201 - 2⁵ = 201221330212169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201221330212211) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 118435155250 + ... + 118435156948.

It is an arithmetic number, because the mean of its divisors is an integer number (1829148048000).

Almost surely, 2^{201221330212201} is an apocalyptic number.

It is an amenable number.

201221330212201 is a deficient number, since it is larger than the sum of its proper divisors (32909619931799).

201221330212201 is a wasteful number, since it uses less digits than its factorization.

201221330212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2439.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 201221330212201 its reverse (102212033122102), we get a palindrome (303433363334303).

The spelling of 201221330212201 in words is "two hundred one trillion, two hundred twenty-one billion, three hundred thirty million, two hundred twelve thousand, two hundred one".