221100002220201 has 64 divisors (see below), whose sum is σ = 323501747896320. Its totient is φ = 133501371194880.

The previous prime is 221100002220199. The next prime is 221100002220203. The reversal of 221100002220201 is 102022200001122.

221100002220201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (221100002220199) and next prime (221100002220203).

It is not a de Polignac number, because 221100002220201 - 2¹ = 221100002220199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221100002220203) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2136778896 + ... + 2136882366.

It is an arithmetic number, because the mean of its divisors is an integer number (5054714810880).

Almost surely, 2^{221100002220201} is an apocalyptic number.

It is an amenable number.

221100002220201 is a deficient number, since it is larger than the sum of its proper divisors (102401745676119).

221100002220201 is a wasteful number, since it uses less digits than its factorization.

221100002220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107886.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 221100002220201 its reverse (102022200001122), we get a palindrome (323122202221323).

The spelling of 221100002220201 in words is "two hundred twenty-one trillion, one hundred billion, two million, two hundred twenty thousand, two hundred one".