211303133113 has 4 divisors (see below), whose sum is σ = 211307977188. Its totient is φ = 211298289040.

The previous prime is 211303133077. The next prime is 211303133137. The reversal of 211303133113 is 311331303112.

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 80959028089 + 130344105024 = 284533^2 + 361032^2 .

It is a cyclic number.

It is not a de Polignac number, because 211303133113 - 2¹⁷ = 211303002041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211303133143) 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, 2356006 + ... + 2444047.

It is an arithmetic number, because the mean of its divisors is an integer number (52826994297).

Almost surely, 2^211303133113 is an apocalyptic number.

It is an amenable number.

211303133113 is a deficient number, since it is larger than the sum of its proper divisors (4844075).

211303133113 is an equidigital number, since it uses as much as digits as its factorization.

211303133113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844074.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 211303133113 its reverse (311331303112), we get a palindrome (522634436225).

The spelling of 211303133113 in words is "two hundred eleven billion, three hundred three million, one hundred thirty-three thousand, one hundred thirteen".