2101730600213 has 2 divisors, whose sum is σ = 2101730600214. Its totient is φ = 2101730600212.

The previous prime is 2101730600201. The next prime is 2101730600239. The reversal of 2101730600213 is 3120060371012.

It is an a-pointer prime, because the next prime (2101730600239) can be obtained adding 2101730600213 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1634697773809 + 467032826404 = 1278553^2 + 683398^2 .

It is a cyclic number.

It is not a de Polignac number, because 2101730600213 - 2⁶ = 2101730600149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2101730609213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050865300106 + 1050865300107.

It is an arithmetic number, because the mean of its divisors is an integer number (1050865300107).

Almost surely, 2^{2101730600213} is an apocalyptic number.

It is an amenable number.

2101730600213 is a deficient number, since it is larger than the sum of its proper divisors (1).

2101730600213 is an equidigital number, since it uses as much as digits as its factorization.

2101730600213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1512, while the sum is 26.

Adding to 2101730600213 its reverse (3120060371012), we get a palindrome (5221790971225).

The spelling of 2101730600213 in words is "two trillion, one hundred one billion, seven hundred thirty million, six hundred thousand, two hundred thirteen".