213011322269 has 2 divisors, whose sum is σ = 213011322270. Its totient is φ = 213011322268.

The previous prime is 213011322193. The next prime is 213011322323. The reversal of 213011322269 is 962223110312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 189059736100 + 23951586169 = 434810^2 + 154763^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213011322269 is a prime.

It is a super-2 number, since 2×213011322269² (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213011328269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106505661134 + 106505661135.

It is an arithmetic number, because the mean of its divisors is an integer number (106505661135).

Almost surely, 2^213011322269 is an apocalyptic number.

It is an amenable number.

213011322269 is a deficient number, since it is larger than the sum of its proper divisors (1).

213011322269 is an equidigital number, since it uses as much as digits as its factorization.

213011322269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The spelling of 213011322269 in words is "two hundred thirteen billion, eleven million, three hundred twenty-two thousand, two hundred sixty-nine".