221000201212201 has 8 divisors (see below), whose sum is σ = 222948723706880. Its totient is φ = 219054934396368.

The previous prime is 221000201212117. The next prime is 221000201212207. The reversal of 221000201212201 is 102212102000122.

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 221000201212201 - 2⁷ = 221000201212073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221000201212207) 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, 813783351 + ... + 814054876.

It is an arithmetic number, because the mean of its divisors is an integer number (27868590463360).

Almost surely, 2^{221000201212201} is an apocalyptic number.

It is an amenable number.

221000201212201 is a deficient number, since it is larger than the sum of its proper divisors (1948522494679).

221000201212201 is a wasteful number, since it uses less digits than its factorization.

221000201212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1627839423.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 221000201212201 its reverse (102212102000122), we get a palindrome (323212303212323).

The spelling of 221000201212201 in words is "two hundred twenty-one trillion, two hundred one million, two hundred twelve thousand, two hundred one".