111105110001 has 4 divisors (see below), whose sum is σ = 148140146672. Its totient is φ = 74070073332.

The previous prime is 111105109987. The next prime is 111105110009. The reversal of 111105110001 is 100011501111.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 100011501111 = 3 ⋅33337167037.

It is not a de Polignac number, because 111105110001 - 2¹⁰ = 111105108977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111105110009) 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 3 ways as a sum of consecutive naturals, for example, 18517518331 + ... + 18517518336.

It is an arithmetic number, because the mean of its divisors is an integer number (37035036668).

Almost surely, 2^111105110001 is an apocalyptic number.

It is an amenable number.

111105110001 is a deficient number, since it is larger than the sum of its proper divisors (37035036671).

111105110001 is an equidigital number, since it uses as much as digits as its factorization.

111105110001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37035036670.

The product of its (nonzero) digits is 5, while the sum is 12.

Adding to 111105110001 its reverse (100011501111), we get a palindrome (211116611112).

The spelling of 111105110001 in words is "one hundred eleven billion, one hundred five million, one hundred ten thousand, one".