211332111223 has 8 divisors (see below), whose sum is σ = 218476164368. Its totient is φ = 204289392384.

The previous prime is 211332111173. The next prime is 211332111227. The reversal of 211332111223 is 322111233112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211332111223 is a prime.

It is a super-2 number, since 2×211332111223² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211332111194 and 211332111203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211332111227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25329336 + ... + 25337677.

It is an arithmetic number, because the mean of its divisors is an integer number (27309520546).

Almost surely, 2^211332111223 is an apocalyptic number.

211332111223 is a deficient number, since it is larger than the sum of its proper divisors (7144053145).

211332111223 is an equidigital number, since it uses as much as digits as its factorization.

211332111223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50667153.

The product of its digits is 432, while the sum is 22.

Adding to 211332111223 its reverse (322111233112), we get a palindrome (533443344335).

The spelling of 211332111223 in words is "two hundred eleven billion, three hundred thirty-two million, one hundred eleven thousand, two hundred twenty-three".