22201110120221 has 4 divisors (see below), whose sum is σ = 22334050899552. Its totient is φ = 22068169340892.

The previous prime is 22201110120109. The next prime is 22201110120239. The reversal of 22201110120221 is 12202101110222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 22201110120221 - 2³⁰ = 22200036378397 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22201110120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22201110720221) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66470389415 + ... + 66470389748.

It is an arithmetic number, because the mean of its divisors is an integer number (5583512724888).

Almost surely, 2^{22201110120221} is an apocalyptic number.

It is an amenable number.

22201110120221 is a deficient number, since it is larger than the sum of its proper divisors (132940779331).

22201110120221 is a wasteful number, since it uses less digits than its factorization.

22201110120221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132940779330.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 22201110120221 its reverse (12202101110222), we get a palindrome (34403211230443).

Subtracting from 22201110120221 its reverse (12202101110222), we obtain a palindrome (9999009009999).

The spelling of 22201110120221 in words is "twenty-two trillion, two hundred one billion, one hundred ten million, one hundred twenty thousand, two hundred twenty-one".