111132012311 has 4 divisors (see below), whose sum is σ = 113015605800. Its totient is φ = 109248418824.

The previous prime is 111132012293. The next prime is 111132012319. The reversal of 111132012311 is 113210231111.

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 111132012311 - 2²⁶ = 111064903447 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111132012311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111132012319) 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, 941796656 + ... + 941796773.

It is an arithmetic number, because the mean of its divisors is an integer number (28253901450).

Almost surely, 2^111132012311 is an apocalyptic number.

111132012311 is a deficient number, since it is larger than the sum of its proper divisors (1883593489).

111132012311 is an equidigital number, since it uses as much as digits as its factorization.

111132012311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1883593488.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 111132012311 its reverse (113210231111), we get a palindrome (224342243422).

The spelling of 111132012311 in words is "one hundred eleven billion, one hundred thirty-two million, twelve thousand, three hundred eleven".