111303221213113 has 4 divisors (see below), whose sum is σ = 115141263323940. Its totient is φ = 107465179102288.

The previous prime is 111303221213111. The next prime is 111303221213123. The reversal of 111303221213113 is 311312122303111.

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

It can be written as a sum of positive squares in 2 ways, for example, as 37827260249769 + 73475960963344 = 6150387^2 + 8571812^2 .

It is a cyclic number.

It is not a de Polignac number, because 111303221213113 - 2¹ = 111303221213111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111303221213111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1919021055370 + ... + 1919021055427.

It is an arithmetic number, because the mean of its divisors is an integer number (28785315830985).

Almost surely, 2^{111303221213113} is an apocalyptic number.

It is an amenable number.

111303221213113 is a deficient number, since it is larger than the sum of its proper divisors (3838042110827).

111303221213113 is an equidigital number, since it uses as much as digits as its factorization.

111303221213113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3838042110826.

The product of its (nonzero) digits is 648, while the sum is 25.

Adding to 111303221213113 its reverse (311312122303111), we get a palindrome (422615343516224).

The spelling of 111303221213113 in words is "one hundred eleven trillion, three hundred three billion, two hundred twenty-one million, two hundred thirteen thousand, one hundred thirteen".