210210113213 has 8 divisors (see below), whose sum is σ = 210752298360. Its totient is φ = 209668066560.

The previous prime is 210210113159. The next prime is 210210113251. The reversal of 210210113213 is 312311012012.

It can be written as a sum of positive squares in 4 ways, for example, as 15952195204 + 194257918009 = 126302^2 + 440747^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-210210113213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210210113191 and 210210113200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210210113273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3454931 + ... + 3515247.

It is an arithmetic number, because the mean of its divisors is an integer number (26344037295).

Almost surely, 2^210210113213 is an apocalyptic number.

It is an amenable number.

210210113213 is a deficient number, since it is larger than the sum of its proper divisors (542185147).

210210113213 is an equidigital number, since it uses as much as digits as its factorization.

210210113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69247.

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

Adding to 210210113213 its reverse (312311012012), we get a palindrome (522521125225).

The spelling of 210210113213 in words is "two hundred ten billion, two hundred ten million, one hundred thirteen thousand, two hundred thirteen".