111323312211 has 8 divisors (see below), whose sum is σ = 148592600320. Its totient is φ = 74134782792.

The previous prime is 111323312203. The next prime is 111323312257. The reversal of 111323312211 is 112213323111.

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

It is not a de Polignac number, because 111323312211 - 2³ = 111323312203 is a prime.

It is a super-3 number, since 3×111323312211³ (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111323312201) 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, 20186455 + ... + 20191968.

It is an arithmetic number, because the mean of its divisors is an integer number (18574075040).

Almost surely, 2^111323312211 is an apocalyptic number.

111323312211 is a deficient number, since it is larger than the sum of its proper divisors (37269288109).

111323312211 is an equidigital number, since it uses as much as digits as its factorization.

111323312211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40379345.

The product of its digits is 216, while the sum is 21.

Adding to 111323312211 its reverse (112213323111), we get a palindrome (223536635322).

The spelling of 111323312211 in words is "one hundred eleven billion, three hundred twenty-three million, three hundred twelve thousand, two hundred eleven".