211333103111223 has 12 divisors (see below), whose sum is σ = 305259267562288. Its totient is φ = 140888578093920.

The previous prime is 211333103111219. The next prime is 211333103111233. The reversal of 211333103111223 is 322111301333112.

211333103111223 is a `hidden beast` number, since 2 + 1 + 1 + 3 + 3 + 310 + 311 + 12 + 23 = 666.

It is not a de Polignac number, because 211333103111223 - 2² = 211333103111219 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 (211333103111233) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4288990 + ... + 21001467.

Almost surely, 2^{211333103111223} is an apocalyptic number.

211333103111223 is a deficient number, since it is larger than the sum of its proper divisors (93926164451065).

211333103111223 is a wasteful number, since it uses less digits than its factorization.

211333103111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26218934 (or 26218931 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

Adding to 211333103111223 its reverse (322111301333112), we get a palindrome (533444404444335).

The spelling of 211333103111223 in words is "two hundred eleven trillion, three hundred thirty-three billion, one hundred three million, one hundred eleven thousand, two hundred twenty-three".