210302111213 has 2 divisors, whose sum is σ = 210302111214. Its totient is φ = 210302111212.

The previous prime is 210302111197. The next prime is 210302111233. The reversal of 210302111213 is 312111203012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 208229767684 + 2072343529 = 456322^2 + 45523^2 .

It is a cyclic number.

It is not a de Polignac number, because 210302111213 - 2⁴ = 210302111197 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 210302111191 and 210302111200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210302111233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105151055606 + 105151055607.

It is an arithmetic number, because the mean of its divisors is an integer number (105151055607).

Almost surely, 2^210302111213 is an apocalyptic number.

It is an amenable number.

210302111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

210302111213 is an equidigital number, since it uses as much as digits as its factorization.

210302111213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 210302111213 its reverse (312111203012), we get a palindrome (522413314225).

The spelling of 210302111213 in words is "two hundred ten billion, three hundred two million, one hundred eleven thousand, two hundred thirteen".