111011322011 has 4 divisors (see below), whose sum is σ = 111031014000. Its totient is φ = 110991630024.

The previous prime is 111011321999. The next prime is 111011322031. The reversal of 111011322011 is 110223110111.

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 111011322011 - 2⁶ = 111011321947 is a prime.

It is a super-2 number, since 2×111011322011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111011322031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9837536 + ... + 9848813.

It is an arithmetic number, because the mean of its divisors is an integer number (27757753500).

Almost surely, 2^111011322011 is an apocalyptic number.

111011322011 is a deficient number, since it is larger than the sum of its proper divisors (19691989).

111011322011 is an equidigital number, since it uses as much as digits as its factorization.

111011322011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19691988.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 111011322011 its reverse (110223110111), we get a palindrome (221234432122).

The spelling of 111011322011 in words is "one hundred eleven billion, eleven million, three hundred twenty-two thousand, eleven".