211332211323 has 4 divisors (see below), whose sum is σ = 281776281768. Its totient is φ = 140888140880.

The previous prime is 211332211313. The next prime is 211332211369. The reversal of 211332211323 is 323112233112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 211332211323 - 2⁵ = 211332211291 is a prime.

It is a super-2 number, since 2×211332211323² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211332211293 and 211332211302.

It is not an unprimeable number, because it can be changed into a prime (211332211313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35222035218 + ... + 35222035223.

It is an arithmetic number, because the mean of its divisors is an integer number (70444070442).

Almost surely, 2^211332211323 is an apocalyptic number.

211332211323 is a deficient number, since it is larger than the sum of its proper divisors (70444070445).

211332211323 is an equidigital number, since it uses as much as digits as its factorization.

211332211323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70444070444.

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

Adding to 211332211323 its reverse (323112233112), we get a palindrome (534444444435).

The spelling of 211332211323 in words is "two hundred eleven billion, three hundred thirty-two million, two hundred eleven thousand, three hundred twenty-three".