422121123211 has 2 divisors, whose sum is σ = 422121123212. Its totient is φ = 422121123210.

The previous prime is 422121123187. The next prime is 422121123227. The reversal of 422121123211 is 112321121224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422121123211 - 2¹⁹ = 422120598923 is a prime.

It is not a weakly prime, because it can be changed into another prime (422121123911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211060561605 + 211060561606.

It is an arithmetic number, because the mean of its divisors is an integer number (211060561606).

Almost surely, 2^422121123211 is an apocalyptic number.

422121123211 is a deficient number, since it is larger than the sum of its proper divisors (1).

422121123211 is an equidigital number, since it uses as much as digits as its factorization.

422121123211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 384, while the sum is 22.

Adding to 422121123211 its reverse (112321121224), we get a palindrome (534442244435).

The spelling of 422121123211 in words is "four hundred twenty-two billion, one hundred twenty-one million, one hundred twenty-three thousand, two hundred eleven".