213120110213 has 2 divisors, whose sum is σ = 213120110214. Its totient is φ = 213120110212.

The previous prime is 213120110183. The next prime is 213120110237. The reversal of 213120110213 is 312011021312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 178338979204 + 34781131009 = 422302^2 + 186497^2 .

It is a cyclic number.

It is not a de Polignac number, because 213120110213 - 2⁸ = 213120109957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 213120110191 and 213120110200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (213120110243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106560055106 + 106560055107.

It is an arithmetic number, because the mean of its divisors is an integer number (106560055107).

Almost surely, 2^213120110213 is an apocalyptic number.

It is an amenable number.

213120110213 is a deficient number, since it is larger than the sum of its proper divisors (1).

213120110213 is an equidigital number, since it uses as much as digits as its factorization.

213120110213 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 213120110213 its reverse (312011021312), we get a palindrome (525131131525).

The spelling of 213120110213 in words is "two hundred thirteen billion, one hundred twenty million, one hundred ten thousand, two hundred thirteen".