213000122233 has 2 divisors, whose sum is σ = 213000122234. Its totient is φ = 213000122232.

The previous prime is 213000122219. The next prime is 213000122267. The reversal of 213000122233 is 332221000312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 138870258409 + 74129863824 = 372653^2 + 272268^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213000122233 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 213000122233.

It is not a weakly prime, because it can be changed into another prime (213000122213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106500061116 + 106500061117.

It is an arithmetic number, because the mean of its divisors is an integer number (106500061117).

Almost surely, 2^213000122233 is an apocalyptic number.

It is an amenable number.

213000122233 is a deficient number, since it is larger than the sum of its proper divisors (1).

213000122233 is an equidigital number, since it uses as much as digits as its factorization.

213000122233 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 213000122233 its reverse (332221000312), we get a palindrome (545221122545).

The spelling of 213000122233 in words is "two hundred thirteen billion, one hundred twenty-two thousand, two hundred thirty-three".