12122202222211 has 2 divisors, whose sum is σ = 12122202222212. Its totient is φ = 12122202222210.

The previous prime is 12122202222197. The next prime is 12122202222287. The reversal of 12122202222211 is 11222220222121.

12122202222211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12122202222211 - 2¹⁵ = 12122202189443 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122202202211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061101111105 + 6061101111106.

It is an arithmetic number, because the mean of its divisors is an integer number (6061101111106).

Almost surely, 2^{12122202222211} is an apocalyptic number.

12122202222211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122202222211 is an equidigital number, since it uses as much as digits as its factorization.

12122202222211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 12122202222211 its reverse (11222220222121), we get a palindrome (23344422444332).

The spelling of 12122202222211 in words is "twelve trillion, one hundred twenty-two billion, two hundred two million, two hundred twenty-two thousand, two hundred eleven".