111111111010011 has 8 divisors (see below), whose sum is σ = 169312169158144. Its totient is φ = 63492063434280.

The previous prime is 111111111010001. The next prime is 111111111010021. The reversal of 111111111010011 is 110010111111111.

It is an interprime number because it is at equal distance from previous prime (111111111010001) and next prime (111111111010021).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 111111111010011 - 2⁷ = 111111111009883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111111111010001) 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 7 ways as a sum of consecutive naturals, for example, 2645502643075 + ... + 2645502643116.

It is an arithmetic number, because the mean of its divisors is an integer number (21164021144768).

Almost surely, 2^{111111111010011} is an apocalyptic number.

111111111010011 is a deficient number, since it is larger than the sum of its proper divisors (58201058148133).

111111111010011 is an equidigital number, since it uses as much as digits as its factorization.

111111111010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5291005286201.

The product of its (nonzero) digits is 1, while the sum is 12.

Adding to 111111111010011 its reverse (110010111111111), we get a palindrome (221121222121122).

The spelling of 111111111010011 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred eleven million, ten thousand, eleven".