11111221244343 has 32 divisors (see below), whose sum is σ = 17408477233152. Its totient is φ = 6233504191200.

The previous prime is 11111221244317. The next prime is 11111221244371. The reversal of 11111221244343 is 34344212211111.

It is not a de Polignac number, because 11111221244343 - 2¹³ = 11111221236151 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11111221244343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11111221244303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 236094055 + ... + 236141112.

It is an arithmetic number, because the mean of its divisors is an integer number (544014913536).

Almost surely, 2^{11111221244343} is an apocalyptic number.

11111221244343 is a deficient number, since it is larger than the sum of its proper divisors (6297255988809).

11111221244343 is a wasteful number, since it uses less digits than its factorization.

11111221244343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472235235.

The product of its digits is 4608, while the sum is 30.

Adding to 11111221244343 its reverse (34344212211111), we get a palindrome (45455433455454).

The spelling of 11111221244343 in words is "eleven trillion, one hundred eleven billion, two hundred twenty-one million, two hundred forty-four thousand, three hundred forty-three".