11111344112242 has 16 divisors (see below), whose sum is σ = 18362221236864. Its totient is φ = 5000604910000.

The previous prime is 11111344112237. The next prime is 11111344112269. The reversal of 11111344112242 is 24221144311111.

It is a self number, because there is not a number n which added to its sum of digits gives 11111344112242.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500300234 + ... + 2500304677.

It is an arithmetic number, because the mean of its divisors is an integer number (1147638827304).

Almost surely, 2^{11111344112242} is an apocalyptic number.

11111344112242 is a deficient number, since it is larger than the sum of its proper divisors (7250877124622).

11111344112242 is a wasteful number, since it uses less digits than its factorization.

11111344112242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5000605025.

The product of its digits is 1536, while the sum is 28.

Adding to 11111344112242 its reverse (24221144311111), we get a palindrome (35332488423353).

The spelling of 11111344112242 in words is "eleven trillion, one hundred eleven billion, three hundred forty-four million, one hundred twelve thousand, two hundred forty-two".