111242350011 has 16 divisors (see below), whose sum is σ = 159746096384. Its totient is φ = 68451048864.

The previous prime is 111242350007. The next prime is 111242350069. The reversal of 111242350011 is 110053242111.

It is not a de Polignac number, because 111242350011 - 2² = 111242350007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 111242350011.

It is not an unprimeable number, because it can be changed into a prime (111242350001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372780 + ... + 601206.

It is an arithmetic number, because the mean of its divisors is an integer number (9984131024).

Almost surely, 2^111242350011 is an apocalyptic number.

111242350011 is a deficient number, since it is larger than the sum of its proper divisors (48503746373).

111242350011 is a wasteful number, since it uses less digits than its factorization.

111242350011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240930.

The product of its (nonzero) digits is 240, while the sum is 21.

Adding to 111242350011 its reverse (110053242111), we get a palindrome (221295592122).

The spelling of 111242350011 in words is "one hundred eleven billion, two hundred forty-two million, three hundred fifty thousand, eleven".