210020222111213 has 2 divisors, whose sum is σ = 210020222111214. Its totient is φ = 210020222111212.

The previous prime is 210020222111209. The next prime is 210020222111239. The reversal of 210020222111213 is 312111222020012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201596749119529 + 8423472991684 = 14198477^2 + 2902322^2 .

It is a cyclic number.

It is not a de Polignac number, because 210020222111213 - 2² = 210020222111209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210020222711213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105010111055606 + 105010111055607.

It is an arithmetic number, because the mean of its divisors is an integer number (105010111055607).

Almost surely, 2^{210020222111213} is an apocalyptic number.

It is an amenable number.

210020222111213 is a deficient number, since it is larger than the sum of its proper divisors (1).

210020222111213 is an equidigital number, since it uses as much as digits as its factorization.

210020222111213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 210020222111213 its reverse (312111222020012), we get a palindrome (522131444131225).

The spelling of 210020222111213 in words is "two hundred ten trillion, twenty billion, two hundred twenty-two million, one hundred eleven thousand, two hundred thirteen".