221100200200201 has 32 divisors (see below), whose sum is σ = 259311842899200. Its totient is φ = 184561597440000.

The previous prime is 221100200200199. The next prime is 221100200200273. The reversal of 221100200200201 is 102002002001122.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 221100200200201 - 2¹ = 221100200200199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221100201200201) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5713311750 + ... + 5713350448.

It is an arithmetic number, because the mean of its divisors is an integer number (8103495090600).

Almost surely, 2^{221100200200201} is an apocalyptic number.

It is an amenable number.

221100200200201 is a deficient number, since it is larger than the sum of its proper divisors (38211642698999).

221100200200201 is a wasteful number, since it uses less digits than its factorization.

221100200200201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73825.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 221100200200201 its reverse (102002002001122), we get a palindrome (323102202201323).

The spelling of 221100200200201 in words is "two hundred twenty-one trillion, one hundred billion, two hundred million, two hundred thousand, two hundred one".