111000120011 has 32 divisors (see below), whose sum is σ = 125457113088. Its totient is φ = 97349091840.

The previous prime is 111000119999. The next prime is 111000120019. The reversal of 111000120011 is 110021000111.

It is a happy number.

It is not a de Polignac number, because 111000120011 - 2²² = 110995925707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111000120019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8360000 + ... + 8373266.

It is an arithmetic number, because the mean of its divisors is an integer number (3920534784).

Almost surely, 2^111000120011 is an apocalyptic number.

111000120011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

111000120011 is a deficient number, since it is larger than the sum of its proper divisors (14456993077).

111000120011 is a wasteful number, since it uses less digits than its factorization.

111000120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13571.

The product of its (nonzero) digits is 2, while the sum is 8.

Adding to 111000120011 its reverse (110021000111), we get a palindrome (221021120122).

The spelling of 111000120011 in words is "one hundred eleven billion, one hundred twenty thousand, eleven".