22221022220201 has 16 divisors (see below), whose sum is σ = 25565334224640. Its totient is φ = 18919197043200.

The previous prime is 22221022220113. The next prime is 22221022220207. The reversal of 22221022220201 is 10202222012222.

It is a cyclic number.

It is not a de Polignac number, because 22221022220201 - 2³⁴ = 22203842351017 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22221022220207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15393605 + ... + 16775133.

It is an arithmetic number, because the mean of its divisors is an integer number (1597833389040).

Almost surely, 2^{22221022220201} is an apocalyptic number.

It is an amenable number.

22221022220201 is a deficient number, since it is larger than the sum of its proper divisors (3344312004439).

22221022220201 is a wasteful number, since it uses less digits than its factorization.

22221022220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1396904.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 22221022220201 its reverse (10202222012222), we get a palindrome (32423244232423).

The spelling of 22221022220201 in words is "twenty-two trillion, two hundred twenty-one billion, twenty-two million, two hundred twenty thousand, two hundred one".