12221102000221 has 8 divisors (see below), whose sum is σ = 12252905683200. Its totient is φ = 12189336706848.

The previous prime is 12221102000213. The next prime is 12221102000243. The reversal of 12221102000221 is 12200020112221.

It is a happy number.

12221102000221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 12221102000221 - 2³ = 12221102000213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12221102000195 and 12221102000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221102060221) 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, 8959831 + ... + 10233316.

It is an arithmetic number, because the mean of its divisors is an integer number (1531613210400).

Almost surely, 2^{12221102000221} is an apocalyptic number.

It is an amenable number.

12221102000221 is a deficient number, since it is larger than the sum of its proper divisors (31803682979).

12221102000221 is a wasteful number, since it uses less digits than its factorization.

12221102000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19194803.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 12221102000221 its reverse (12200020112221), we get a palindrome (24421122112442).

The spelling of 12221102000221 in words is "twelve trillion, two hundred twenty-one billion, one hundred two million, two hundred twenty-one", and thus it is an aban number.