22110211110221 has 8 divisors (see below), whose sum is σ = 23811080329344. Its totient is φ = 20409353855280.

The previous prime is 22110211110173. The next prime is 22110211110227. The reversal of 22110211110221 is 12201111201122.

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

It is not a de Polignac number, because 22110211110221 - 2⁶ = 22110211110157 is a prime.

It is a super-2 number, since 2×22110211110221² (a number of 27 digits) contains 22 as substring.

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 22110211110221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110211110227) 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, 1049336 + ... + 6732126.

It is an arithmetic number, because the mean of its divisors is an integer number (2976385041168).

Almost surely, 2^{22110211110221} is an apocalyptic number.

It is an amenable number.

22110211110221 is a deficient number, since it is larger than the sum of its proper divisors (1700869219123).

22110211110221 is a wasteful number, since it uses less digits than its factorization.

22110211110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5982091.

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

Adding to 22110211110221 its reverse (12201111201122), we get a palindrome (34311322311343).

Subtracting from 22110211110221 its reverse (12201111201122), we obtain a palindrome (9909099909099).

The spelling of 22110211110221 in words is "twenty-two trillion, one hundred ten billion, two hundred eleven million, one hundred ten thousand, two hundred twenty-one".