12122221020211 has 2 divisors, whose sum is σ = 12122221020212. Its totient is φ = 12122221020210.

The previous prime is 12122221020167. The next prime is 12122221020227. The reversal of 12122221020211 is 11202012222121.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12122221020211 - 2¹⁹ = 12122220495923 is a prime.

It is not a weakly prime, because it can be changed into another prime (12122221020241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6061110510105 + 6061110510106.

It is an arithmetic number, because the mean of its divisors is an integer number (6061110510106).

Almost surely, 2^{12122221020211} is an apocalyptic number.

12122221020211 is a deficient number, since it is larger than the sum of its proper divisors (1).

12122221020211 is an equidigital number, since it uses as much as digits as its factorization.

12122221020211 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12122221020211 its reverse (11202012222121), we get a palindrome (23324233242332).

The spelling of 12122221020211 in words is "twelve trillion, one hundred twenty-two billion, two hundred twenty-one million, twenty thousand, two hundred eleven".