221200200211201 has 8 divisors (see below), whose sum is σ = 226699000375680. Its totient is φ = 215768869987632.

The previous prime is 221200200211181. The next prime is 221200200211283. The reversal of 221200200211201 is 102112002002122.

It is a happy number.

221200200211201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-221200200211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221200200811201) 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, 16867478590 + ... + 16867491703.

It is an arithmetic number, because the mean of its divisors is an integer number (28337375046960).

Almost surely, 2^{221200200211201} is an apocalyptic number.

It is an amenable number.

221200200211201 is a deficient number, since it is larger than the sum of its proper divisors (5498800164479).

221200200211201 is an equidigital number, since it uses as much as digits as its factorization.

221200200211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33734970455.

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

Adding to 221200200211201 its reverse (102112002002122), we get a palindrome (323312202213323).

The spelling of 221200200211201 in words is "two hundred twenty-one trillion, two hundred billion, two hundred million, two hundred eleven thousand, two hundred one".