221312320110201 has 8 divisors (see below), whose sum is σ = 295086800826144. Its totient is φ = 147539693067200.

The previous prime is 221312320110169. The next prime is 221312320110209. The reversal of 221312320110201 is 102011023213122.

221312320110201 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 not a de Polignac number, because 221312320110201 - 2⁵ = 221312320110169 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (221312320110209) 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, 463139631 + ... + 463617236.

It is an arithmetic number, because the mean of its divisors is an integer number (36885850103268).

Almost surely, 2^{221312320110201} is an apocalyptic number.

It is an amenable number.

221312320110201 is a deficient number, since it is larger than the sum of its proper divisors (73774480715943).

221312320110201 is an equidigital number, since it uses as much as digits as its factorization.

221312320110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926836471.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 221312320110201 its reverse (102011023213122), we get a palindrome (323323343323323).

The spelling of 221312320110201 in words is "two hundred twenty-one trillion, three hundred twelve billion, three hundred twenty million, one hundred ten thousand, two hundred one".