111132123311 has 4 divisors (see below), whose sum is σ = 121235043624. Its totient is φ = 101029203000.

The previous prime is 111132123251. The next prime is 111132123331. The reversal of 111132123311 is 113321231111.

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

It is not a de Polignac number, because 111132123311 - 2¹⁴ = 111132106927 is a prime.

It is a super-2 number, since 2×111132123311² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111132123331) 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, 5051460140 + ... + 5051460161.

It is an arithmetic number, because the mean of its divisors is an integer number (30308760906).

Almost surely, 2^111132123311 is an apocalyptic number.

111132123311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111132123311 is a deficient number, since it is larger than the sum of its proper divisors (10102920313).

111132123311 is a wasteful number, since it uses less digits than its factorization.

111132123311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10102920312.

The product of its digits is 108, while the sum is 20.

Adding to 111132123311 its reverse (113321231111), we get a palindrome (224453354422).

The spelling of 111132123311 in words is "one hundred eleven billion, one hundred thirty-two million, one hundred twenty-three thousand, three hundred eleven".