210113210005 has 8 divisors (see below), whose sum is σ = 252139803192. Its totient is φ = 168087933888.

The previous prime is 210113209991. The next prime is 210113210029. The reversal of 210113210005 is 500012311012.

It can be written as a sum of positive squares in 4 ways, for example, as 61285458481 + 148827751524 = 247559^2 + 385782^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 210113210005 - 2²⁷ = 209978992277 is a prime.

It is a super-2 number, since 2×210113210005² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64519 + ... + 651451.

It is an arithmetic number, because the mean of its divisors is an integer number (31517475399).

Almost surely, 2^210113210005 is an apocalyptic number.

It is an amenable number.

210113210005 is a deficient number, since it is larger than the sum of its proper divisors (42026593187).

210113210005 is an equidigital number, since it uses as much as digits as its factorization.

210113210005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658535.

The product of its (nonzero) digits is 60, while the sum is 16.

Adding to 210113210005 its reverse (500012311012), we get a palindrome (710125521017).

The spelling of 210113210005 in words is "two hundred ten billion, one hundred thirteen million, two hundred ten thousand, five".