111303322331311 has 16 divisors (see below), whose sum is σ = 128811029904288. Its totient is φ = 95050000614400.

The previous prime is 111303322331309. The next prime is 111303322331321. The reversal of 111303322331311 is 113133223303111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111303322331311 - 2¹ = 111303322331309 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 111303322331311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111303322331321) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 571116520 + ... + 571311373.

It is an arithmetic number, because the mean of its divisors is an integer number (8050689369018).

Almost surely, 2^{111303322331311} is an apocalyptic number.

111303322331311 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111303322331311 is a deficient number, since it is larger than the sum of its proper divisors (17507707572977).

111303322331311 is a wasteful number, since it uses less digits than its factorization.

111303322331311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1142428442.

The product of its (nonzero) digits is 2916, while the sum is 28.

Adding to 111303322331311 its reverse (113133223303111), we get a palindrome (224436545634422).

The spelling of 111303322331311 in words is "one hundred eleven trillion, three hundred three billion, three hundred twenty-two million, three hundred thirty-one thousand, three hundred eleven".