2118301011 has 16 divisors (see below), whose sum is σ = 3185065600. Its totient is φ = 1391121864.

The previous prime is 2118301007. The next prime is 2118301019. The reversal of 2118301011 is 1101038112.

It is a happy number.

It is not a de Polignac number, because 2118301011 - 2² = 2118301007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118301019) 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, 583681 + ... + 587298.

It is an arithmetic number, because the mean of its divisors is an integer number (199066600).

Almost surely, 2^2118301011 is an apocalyptic number.

2118301011 is a deficient number, since it is larger than the sum of its proper divisors (1066764589).

2118301011 is a wasteful number, since it uses less digits than its factorization.

2118301011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1171055 (or 1171049 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

The square root of 2118301011 is about 46025.0041933730. The cubic root of 2118301011 is about 1284.2883938192.

Adding to 2118301011 its reverse (1101038112), we get a palindrome (3219339123).

The spelling of 2118301011 in words is "two billion, one hundred eighteen million, three hundred one thousand, eleven".