211422134233 has 2 divisors, whose sum is σ = 211422134234. Its totient is φ = 211422134232.

The previous prime is 211422134197. The next prime is 211422134243. The reversal of 211422134233 is 332431224112.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 157837754944 + 53584379289 = 397288^2 + 231483^2 .

It is a cyclic number.

It is not a de Polignac number, because 211422134233 - 2²⁹ = 210885263321 is a prime.

It is not a weakly prime, because it can be changed into another prime (211422134243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105711067116 + 105711067117.

It is an arithmetic number, because the mean of its divisors is an integer number (105711067117).

Almost surely, 2^211422134233 is an apocalyptic number.

It is an amenable number.

211422134233 is a deficient number, since it is larger than the sum of its proper divisors (1).

211422134233 is an equidigital number, since it uses as much as digits as its factorization.

211422134233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 28.

Adding to 211422134233 its reverse (332431224112), we get a palindrome (543853358345).

The spelling of 211422134233 in words is "two hundred eleven billion, four hundred twenty-two million, one hundred thirty-four thousand, two hundred thirty-three".