22201002200221 has 8 divisors (see below), whose sum is σ = 24948283409280. Its totient is φ = 19602222678192.

The previous prime is 22201002200213. The next prime is 22201002200257. The reversal of 22201002200221 is 12200220010222.

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 22201002200221 - 2³ = 22201002200213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22201002200195 and 22201002200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201002200291) 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, 37125421441 + ... + 37125422038.

It is an arithmetic number, because the mean of its divisors is an integer number (3118535426160).

Almost surely, 2^{22201002200221} is an apocalyptic number.

It is an amenable number.

22201002200221 is a deficient number, since it is larger than the sum of its proper divisors (2747281209059).

22201002200221 is a wasteful number, since it uses less digits than its factorization.

22201002200221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74250843515.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 22201002200221 its reverse (12200220010222), we get a palindrome (34401222210443).

The spelling of 22201002200221 in words is "twenty-two trillion, two hundred one billion, two million, two hundred thousand, two hundred twenty-one".