111343100443 has 4 divisors (see below), whose sum is σ = 111345469560. Its totient is φ = 111340731328.

The previous prime is 111343100437. The next prime is 111343100459. The reversal of 111343100443 is 344001343111.

It is a happy number.

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 111343100443 - 2¹³ = 111343092251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111343100483) 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, 1112605 + ... + 1208542.

It is an arithmetic number, because the mean of its divisors is an integer number (27836367390).

Almost surely, 2^111343100443 is an apocalyptic number.

111343100443 is a deficient number, since it is larger than the sum of its proper divisors (2369117).

111343100443 is an equidigital number, since it uses as much as digits as its factorization.

111343100443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369116.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 111343100443 its reverse (344001343111), we get a palindrome (455344443554).

The spelling of 111343100443 in words is "one hundred eleven billion, three hundred forty-three million, one hundred thousand, four hundred forty-three".