111312201311011 has 8 divisors (see below), whose sum is σ = 111445748259264. Its totient is φ = 111178679277120.

The previous prime is 111312201310997. The next prime is 111312201311081. The reversal of 111312201311011 is 110113102213111.

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

It is a cyclic number.

It is not a de Polignac number, because 111312201311011 - 2¹⁹ = 111312200786723 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 111312201311011.

It is not an unprimeable number, because it can be changed into a prime (111312201311081) 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, 2720061 + ... + 15166513.

It is an arithmetic number, because the mean of its divisors is an integer number (13930718532408).

Almost surely, 2^{111312201311011} is an apocalyptic number.

111312201311011 is a deficient number, since it is larger than the sum of its proper divisors (133546948253).

111312201311011 is an equidigital number, since it uses as much as digits as its factorization.

111312201311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12457181.

The product of its (nonzero) digits is 36, while the sum is 19.

Adding to 111312201311011 its reverse (110113102213111), we get a palindrome (221425303524122).

The spelling of 111312201311011 in words is "one hundred eleven trillion, three hundred twelve billion, two hundred one million, three hundred eleven thousand, eleven".