213133222277 has 2 divisors, whose sum is σ = 213133222278. Its totient is φ = 213133222276.

The previous prime is 213133222271. The next prime is 213133222327. The reversal of 213133222277 is 772222331312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 175191636481 + 37941585796 = 418559^2 + 194786^2 .

It is a cyclic number.

It is not a de Polignac number, because 213133222277 - 2¹⁴ = 213133205893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213133222271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106566611138 + 106566611139.

It is an arithmetic number, because the mean of its divisors is an integer number (106566611139).

Almost surely, 2^213133222277 is an apocalyptic number.

It is an amenable number.

213133222277 is a deficient number, since it is larger than the sum of its proper divisors (1).

213133222277 is an equidigital number, since it uses as much as digits as its factorization.

213133222277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 42336, while the sum is 35.

Adding to 213133222277 its reverse (772222331312), we get a palindrome (985355553589).

The spelling of 213133222277 in words is "two hundred thirteen billion, one hundred thirty-three million, two hundred twenty-two thousand, two hundred seventy-seven".