22111201110221 has 8 divisors (see below), whose sum is σ = 22146006477504. Its totient is φ = 22076397041760.

The previous prime is 22111201110211. The next prime is 22111201110227. The reversal of 22111201110221 is 12201110211122.

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 22111201110221 - 2⁶ = 22111201110157 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 22111201110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22111201110227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37147265 + ... + 37737801.

It is an arithmetic number, because the mean of its divisors is an integer number (2768250809688).

Almost surely, 2^{22111201110221} is an apocalyptic number.

It is an amenable number.

22111201110221 is a deficient number, since it is larger than the sum of its proper divisors (34805367283).

22111201110221 is an equidigital number, since it uses as much as digits as its factorization.

22111201110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 649411.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 22111201110221 its reverse (12201110211122), we get a palindrome (34312311321343).

The spelling of 22111201110221 in words is "twenty-two trillion, one hundred eleven billion, two hundred one million, one hundred ten thousand, two hundred twenty-one".