210111000020213 has 4 divisors (see below), whose sum is σ = 210111337748268. Its totient is φ = 210110662292160.

The previous prime is 210111000020209. The next prime is 210111000020237. The reversal of 210111000020213 is 312020000111012.

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 138486718369444 + 71624281650769 = 11768038^2 + 8463113^2 .

It is a cyclic number.

It is not a de Polignac number, because 210111000020213 - 2² = 210111000020209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (210111000020513) 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 in 3 ways as a sum of consecutive naturals, for example, 167929106 + ... + 169175667.

It is an arithmetic number, because the mean of its divisors is an integer number (52527834437067).

Almost surely, 2^{210111000020213} is an apocalyptic number.

It is an amenable number.

210111000020213 is a deficient number, since it is larger than the sum of its proper divisors (337728055).

210111000020213 is an equidigital number, since it uses as much as digits as its factorization.

210111000020213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337728054.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 210111000020213 its reverse (312020000111012), we get a palindrome (522131000131225).

The spelling of 210111000020213 in words is "two hundred ten trillion, one hundred eleven billion, twenty thousand, two hundred thirteen".