111443341213 has 2 divisors, whose sum is σ = 111443341214. Its totient is φ = 111443341212.

The previous prime is 111443341181. The next prime is 111443341241. The reversal of 111443341213 is 312143344111.

It is an a-pointer prime, because the next prime (111443341241) can be obtained adding 111443341213 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 79263645444 + 32179695769 = 281538^2 + 179387^2 .

It is a cyclic number.

It is not a de Polignac number, because 111443341213 - 2⁵ = 111443341181 is a prime.

It is a super-2 number, since 2×111443341213² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111443341253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55721670606 + 55721670607.

It is an arithmetic number, because the mean of its divisors is an integer number (55721670607).

Almost surely, 2^111443341213 is an apocalyptic number.

It is an amenable number.

111443341213 is a deficient number, since it is larger than the sum of its proper divisors (1).

111443341213 is an equidigital number, since it uses as much as digits as its factorization.

111443341213 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3456, while the sum is 28.

Adding to 111443341213 its reverse (312143344111), we get a palindrome (423586685324).

The spelling of 111443341213 in words is "one hundred eleven billion, four hundred forty-three million, three hundred forty-one thousand, two hundred thirteen".