211113113313 has 4 divisors (see below), whose sum is σ = 281484151088. Its totient is φ = 140742075540.

The previous prime is 211113113311. The next prime is 211113113359. The reversal of 211113113313 is 313311311112.

211113113313 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 211113113313 - 2¹ = 211113113311 is a prime.

It is a super-2 number, since 2×211113113313² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 211113113313.

It is not an unprimeable number, because it can be changed into a prime (211113113311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35185518883 + ... + 35185518888.

It is an arithmetic number, because the mean of its divisors is an integer number (70371037772).

Almost surely, 2^211113113313 is an apocalyptic number.

It is an amenable number.

211113113313 is a deficient number, since it is larger than the sum of its proper divisors (70371037775).

211113113313 is an equidigital number, since it uses as much as digits as its factorization.

211113113313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70371037774.

The product of its digits is 162, while the sum is 21.

Adding to 211113113313 its reverse (313311311112), we get a palindrome (524424424425).

The spelling of 211113113313 in words is "two hundred eleven billion, one hundred thirteen million, one hundred thirteen thousand, three hundred thirteen".