12022220110221 has 6 divisors (see below), whose sum is σ = 17365429048110. Its totient is φ = 8014813406808.

The previous prime is 12022220110211. The next prime is 12022220110247. The reversal of 12022220110221 is 12201102222021.

It is a happy number.

12022220110221 is a `hidden beast` number, since 1 + 20 + 222 + 201 + 1 + 0 + 221 = 666.

12022220110221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10662745728996 + 1359474381225 = 3265386^2 + 1165965^2 .

It is not a de Polignac number, because 12022220110221 - 2³³ = 12013630175629 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12022220110194 and 12022220110203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12022220110211) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 667901117226 + ... + 667901117243.

It is an arithmetic number, because the mean of its divisors is an integer number (2894238174685).

Almost surely, 2^{12022220110221} is an apocalyptic number.

It is an amenable number.

12022220110221 is a deficient number, since it is larger than the sum of its proper divisors (5343208937889).

12022220110221 is a wasteful number, since it uses less digits than its factorization.

12022220110221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1335802234475 (or 1335802234472 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12022220110221 its reverse (12201102222021), we get a palindrome (24223322332242).

The spelling of 12022220110221 in words is "twelve trillion, twenty-two billion, two hundred twenty million, one hundred ten thousand, two hundred twenty-one".