22221201122201 has 16 divisors (see below), whose sum is σ = 22518625288896. Its totient is φ = 21925556306496.

The previous prime is 22221201122171. The next prime is 22221201122213. The reversal of 22221201122201 is 10222110212222.

It is a cyclic number.

It is not a de Polignac number, because 22221201122201 - 2¹⁸ = 22221200860057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22221201122231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39985895 + ... + 40537811.

It is an arithmetic number, because the mean of its divisors is an integer number (1407414080556).

Almost surely, 2^{22221201122201} is an apocalyptic number.

It is an amenable number.

22221201122201 is a deficient number, since it is larger than the sum of its proper divisors (297424166695).

22221201122201 is a wasteful number, since it uses less digits than its factorization.

22221201122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553528.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 22221201122201 its reverse (10222110212222), we get a palindrome (32443311334423).

The spelling of 22221201122201 in words is "twenty-two trillion, two hundred twenty-one billion, two hundred one million, one hundred twenty-two thousand, two hundred one".