211313122223 has 16 divisors (see below), whose sum is σ = 249844246080. Its totient is φ = 174868678656.

The previous prime is 211313122211. The next prime is 211313122247. The reversal of 211313122223 is 322221313112.

It is not a de Polignac number, because 211313122223 - 2⁸ = 211313121967 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 (211313122283) 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 15 ways as a sum of consecutive naturals, for example, 5146511 + ... + 5187407.

It is an arithmetic number, because the mean of its divisors is an integer number (15615265380).

Almost surely, 2^211313122223 is an apocalyptic number.

211313122223 is a deficient number, since it is larger than the sum of its proper divisors (38531123857).

211313122223 is a wasteful number, since it uses less digits than its factorization.

211313122223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66386.

The product of its digits is 864, while the sum is 23.

Adding to 211313122223 its reverse (322221313112), we get a palindrome (533534435335).

The spelling of 211313122223 in words is "two hundred eleven billion, three hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-three".