2118110211 has 36 divisors (see below), whose sum is σ = 3641801592. Its totient is φ = 1182190464.

The previous prime is 2118110171. The next prime is 2118110221. The reversal of 2118110211 is 1120118112.

It is not a de Polignac number, because 2118110211 - 2⁹ = 2118109699 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (2118110221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 36886 + ... + 74811.

Almost surely, 2^2118110211 is an apocalyptic number.

2118110211 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2118110211 is a deficient number, since it is larger than the sum of its proper divisors (1523691381).

2118110211 is a wasteful number, since it uses less digits than its factorization.

2118110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111760 (or 111750 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

The square root of 2118110211 is about 46022.9313603556. The cubic root of 2118110211 is about 1284.2498331076.

Adding to 2118110211 its reverse (1120118112), we get a palindrome (3238228323).

The spelling of 2118110211 in words is "two billion, one hundred eighteen million, one hundred ten thousand, two hundred eleven".