211113022223 has 32 divisors (see below), whose sum is σ = 226927008000. Its totient is φ = 196019066880.

The previous prime is 211113022217. The next prime is 211113022231. The reversal of 211113022223 is 322220311112.

It is a cyclic number.

It is not a de Polignac number, because 211113022223 - 2¹⁰ = 211113021199 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211113022195 and 211113022204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211113022273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 71104283 + ... + 71107251.

It is an arithmetic number, because the mean of its divisors is an integer number (7091469000).

Almost surely, 2^211113022223 is an apocalyptic number.

211113022223 is a deficient number, since it is larger than the sum of its proper divisors (15813985777).

211113022223 is a wasteful number, since it uses less digits than its factorization.

211113022223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3875.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 211113022223 its reverse (322220311112), we get a palindrome (533333333335).

The spelling of 211113022223 in words is "two hundred eleven billion, one hundred thirteen million, twenty-two thousand, two hundred twenty-three".