111323311011 has 64 divisors (see below), whose sum is σ = 188126945280. Its totient is φ = 64401876000.

The previous prime is 111323310997. The next prime is 111323311049. The reversal of 111323311011 is 110113323111.

It is not a de Polignac number, because 111323311011 - 2⁷ = 111323310883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (111323311061) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3337426 + ... + 3370616.

It is an arithmetic number, because the mean of its divisors is an integer number (2939483520).

Almost surely, 2^111323311011 is an apocalyptic number.

111323311011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111323311011 is a deficient number, since it is larger than the sum of its proper divisors (76803634269).

111323311011 is a wasteful number, since it uses less digits than its factorization.

111323311011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33725 (or 33719 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 111323311011 its reverse (110113323111), we get a palindrome (221436634122).

The spelling of 111323311011 in words is "one hundred eleven billion, three hundred twenty-three million, three hundred eleven thousand, eleven".