211333220223 has 16 divisors (see below), whose sum is σ = 283664029440. Its totient is φ = 139948442496.

The previous prime is 211333220167. The next prime is 211333220261. The reversal of 211333220223 is 322022333112.

It is not a de Polignac number, because 211333220223 - 2⁸ = 211333219967 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 211333220193 and 211333220202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211333225223) 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, 54490 + ... + 652407.

It is an arithmetic number, because the mean of its divisors is an integer number (17729001840).

Almost surely, 2^211333220223 is an apocalyptic number.

211333220223 is a deficient number, since it is larger than the sum of its proper divisors (72330809217).

211333220223 is a wasteful number, since it uses less digits than its factorization.

211333220223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 707566.

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 211333220223 its reverse (322022333112), we get a palindrome (533355553335).

The spelling of 211333220223 in words is "two hundred eleven billion, three hundred thirty-three million, two hundred twenty thousand, two hundred twenty-three".