2111120011 has 16 divisors (see below), whose sum is σ = 2834512128. Its totient is φ = 1518487200.

The previous prime is 2111120003. The next prime is 2111120029. The reversal of 2111120011 is 1100211112.

It is a cyclic number.

It is not a de Polignac number, because 2111120011 - 2³ = 2111120003 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2111120011.

It is not an unprimeable number, because it can be changed into a prime (2111120051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1053505 + ... + 1055506.

It is an arithmetic number, because the mean of its divisors is an integer number (177157008).

Almost surely, 2^2111120011 is an apocalyptic number.

2111120011 is a deficient number, since it is larger than the sum of its proper divisors (723392117).

2111120011 is a wasteful number, since it uses less digits than its factorization.

2111120011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2109042.

The product of its (nonzero) digits is 4, while the sum is 10.

The square root of 2111120011 is about 45946.9260234023. The cubic root of 2111120011 is about 1282.8355131195.

Adding to 2111120011 its reverse (1100211112), we get a palindrome (3211331123).

The spelling of 2111120011 in words is "two billion, one hundred eleven million, one hundred twenty thousand, eleven".