211132331223 has 16 divisors (see below), whose sum is σ = 312895944576. Its totient is φ = 125544667040.

The previous prime is 211132331219. The next prime is 211132331237. The reversal of 211132331223 is 322133231112.

It is a cyclic number.

It is not a de Polignac number, because 211132331223 - 2² = 211132331219 is a prime.

It is a super-2 number, since 2×211132331223² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211132331193 and 211132331202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211132331213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60356265 + ... + 60359762.

It is an arithmetic number, because the mean of its divisors is an integer number (19555996536).

Almost surely, 2^211132331223 is an apocalyptic number.

211132331223 is a deficient number, since it is larger than the sum of its proper divisors (101763613353).

211132331223 is a wasteful number, since it uses less digits than its factorization.

211132331223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120716094.

The product of its digits is 1296, while the sum is 24.

Adding to 211132331223 its reverse (322133231112), we get a palindrome (533265562335).

The spelling of 211132331223 in words is "two hundred eleven billion, one hundred thirty-two million, three hundred thirty-one thousand, two hundred twenty-three".