211303223120113 has 4 divisors (see below), whose sum is σ = 211303566493668. Its totient is φ = 211302879746560.

The previous prime is 211303223120081. The next prime is 211303223120159. The reversal of 211303223120113 is 311021322303112.

211303223120113 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 179511307701489 + 31791915418624 = 13398183^2 + 5638432^2 .

It is a cyclic number.

It is not a de Polignac number, because 211303223120113 - 2⁵ = 211303223120081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211303223120713) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 170762056 + ... + 171995017.

It is an arithmetic number, because the mean of its divisors is an integer number (52825891623417).

Almost surely, 2^{211303223120113} is an apocalyptic number.

It is an amenable number.

211303223120113 is a deficient number, since it is larger than the sum of its proper divisors (343373555).

211303223120113 is an equidigital number, since it uses as much as digits as its factorization.

211303223120113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343373554.

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 211303223120113 its reverse (311021322303112), we get a palindrome (522324545423225).

The spelling of 211303223120113 in words is "two hundred eleven trillion, three hundred three billion, two hundred twenty-three million, one hundred twenty thousand, one hundred thirteen".