111101051105 has 12 divisors (see below), whose sum is σ = 146543205396. Its totient is φ = 80800764000.

The previous prime is 111101051093. The next prime is 111101051129. The reversal of 111101051105 is 501150101111.

It can be written as a sum of positive squares in 2 ways, for example, as 73004257249 + 38096793856 = 270193^2 + 195184^2 .

It is not a de Polignac number, because 111101051105 - 2¹⁴ = 111101034721 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 91818446 + ... + 91819655.

It is an arithmetic number, because the mean of its divisors is an integer number (12211933783).

Almost surely, 2^111101051105 is an apocalyptic number.

It is an amenable number.

111101051105 is a deficient number, since it is larger than the sum of its proper divisors (35442154291).

111101051105 is a wasteful number, since it uses less digits than its factorization.

111101051105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 183638128 (or 183638117 counting only the distinct ones).

The product of its (nonzero) digits is 25, while the sum is 17.

Adding to 111101051105 its reverse (501150101111), we get a palindrome (612251152216).

The spelling of 111101051105 in words is "one hundred eleven billion, one hundred one million, fifty-one thousand, one hundred five".