210111302213 has 4 divisors (see below), whose sum is σ = 210116468748. Its totient is φ = 210106135680.

The previous prime is 210111302209. The next prime is 210111302237. The reversal of 210111302213 is 312203111012.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 73257918244 + 136853383969 = 270662^2 + 369937^2 .

It is a cyclic number.

It is not a de Polignac number, because 210111302213 - 2² = 210111302209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 210111302191 and 210111302200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111305213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2521778 + ... + 2603763.

It is an arithmetic number, because the mean of its divisors is an integer number (52529117187).

Almost surely, 2^210111302213 is an apocalyptic number.

It is an amenable number.

210111302213 is a deficient number, since it is larger than the sum of its proper divisors (5166535).

210111302213 is an equidigital number, since it uses as much as digits as its factorization.

210111302213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5166534.

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

Adding to 210111302213 its reverse (312203111012), we get a palindrome (522314413225).

The spelling of 210111302213 in words is "two hundred ten billion, one hundred eleven million, three hundred two thousand, two hundred thirteen".