111001010011011 has 12 divisors (see below), whose sum is σ = 160458986516920. Its totient is φ = 73943352904320.

The previous prime is 111001010011007. The next prime is 111001010011019. The reversal of 111001010011011 is 110110010100111.

It is not a de Polignac number, because 111001010011011 - 2² = 111001010011007 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001010010984 and 111001010011002.

It is not an unprimeable number, because it can be changed into a prime (111001010011019) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4776690766 + ... + 4776714003.

Almost surely, 2^{111001010011011} is an apocalyptic number.

111001010011011 is a deficient number, since it is larger than the sum of its proper divisors (49457976505909).

111001010011011 is a wasteful number, since it uses less digits than its factorization.

111001010011011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9553406066 (or 9553406063 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 9.

Adding to 111001010011011 its reverse (110110010100111), we get a palindrome (221111020111122).

The spelling of 111001010011011 in words is "one hundred eleven trillion, one billion, ten million, eleven thousand, eleven".