22221102110221 has 8 divisors (see below), whose sum is σ = 26214756406784. Its totient is φ = 18432250598160.

The previous prime is 22221102110219. The next prime is 22221102110227. The reversal of 22221102110221 is 12201120112222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22221102110221 - 2¹ = 22221102110219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22221102110227) 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, 51200695890 + ... + 51200696323.

It is an arithmetic number, because the mean of its divisors is an integer number (3276844550848).

Almost surely, 2^{22221102110221} is an apocalyptic number.

It is an amenable number.

22221102110221 is a deficient number, since it is larger than the sum of its proper divisors (3993654296563).

22221102110221 is a wasteful number, since it uses less digits than its factorization.

22221102110221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102401392251.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 22221102110221 its reverse (12201120112222), we get a palindrome (34422222222443).

The spelling of 22221102110221 in words is "twenty-two trillion, two hundred twenty-one billion, one hundred two million, one hundred ten thousand, two hundred twenty-one".