22122201202221 has 8 divisors (see below), whose sum is σ = 30215689447104. Its totient is φ = 14388423546080.

The previous prime is 22122201202187. The next prime is 22122201202229. The reversal of 22122201202221 is 12220210222122.

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 22122201202221 - 2¹¹ = 22122201200173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22122201202229) 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, 89927647041 + ... + 89927647286.

It is an arithmetic number, because the mean of its divisors is an integer number (3776961180888).

Almost surely, 2^{22122201202221} is an apocalyptic number.

It is an amenable number.

22122201202221 is a deficient number, since it is larger than the sum of its proper divisors (8093488244883).

22122201202221 is a wasteful number, since it uses less digits than its factorization.

22122201202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179855294371.

The product of its (nonzero) digits is 512, while the sum is 21.

Adding to 22122201202221 its reverse (12220210222122), we get a palindrome (34342411424343).

The spelling of 22122201202221 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred one million, two hundred two thousand, two hundred twenty-one".