111001000001011 has 4 divisors (see below), whose sum is σ = 111001071617800. Its totient is φ = 111000928384224.

The previous prime is 111001000000993. The next prime is 111001000001057. The reversal of 111001000001011 is 110100000100111.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 111001000001011 - 2¹³ = 111000999992819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111001000000985 and 111001000001003.

It is not an unprimeable number, because it can be changed into a prime (111001000101011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33430881 + ... + 36600898.

It is an arithmetic number, because the mean of its divisors is an integer number (27750267904450).

Almost surely, 2^{111001000001011} is an apocalyptic number.

111001000001011 is a deficient number, since it is larger than the sum of its proper divisors (71616789).

111001000001011 is an equidigital number, since it uses as much as digits as its factorization.

111001000001011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71616788.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 111001000001011 its reverse (110100000100111), we get a palindrome (221101000101122).

The spelling of 111001000001011 in words is "one hundred eleven trillion, one billion, one thousand, eleven".