12222122212101 has 8 divisors (see below), whose sum is σ = 16296318069984. Its totient is φ = 8148003914480.

The previous prime is 12222122212087. The next prime is 12222122212187. The reversal of 12222122212101 is 10121222122221.

12222122212101 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 a de Polignac number, because none of the positive numbers 2^k-12222122212101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222122212501) 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, 19021371 + ... + 19653416.

It is an arithmetic number, because the mean of its divisors is an integer number (2037039758748).

Almost surely, 2^{12222122212101} is an apocalyptic number.

It is an amenable number.

12222122212101 is a deficient number, since it is larger than the sum of its proper divisors (4074195857883).

12222122212101 is a wasteful number, since it uses less digits than its factorization.

12222122212101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38780131.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 12222122212101 its reverse (10121222122221), we get a palindrome (22343344334322).

The spelling of 12222122212101 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-two million, two hundred twelve thousand, one hundred one".