2100110011 has 4 divisors (see below), whose sum is σ = 2223645912. Its totient is φ = 1976574112.

The previous prime is 2100109997. The next prime is 2100110039. The reversal of 2100110011 is 1100110012.

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 2100110011 - 2⁹ = 2100109499 is a prime.

It is a Duffinian number.

2100110011 is a modest number, since divided by 110011 gives 21 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 2100109976 and 2100110003.

It is not an unprimeable number, because it can be changed into a prime (2100110041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61767925 + ... + 61767958.

It is an arithmetic number, because the mean of its divisors is an integer number (555911478).

Almost surely, 2^2100110011 is an apocalyptic number.

2100110011 is a deficient number, since it is larger than the sum of its proper divisors (123535901).

2100110011 is a wasteful number, since it uses less digits than its factorization.

2100110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123535900.

The product of its (nonzero) digits is 2, while the sum is 7.

The square root of 2100110011 is about 45826.9572522549. The cubic root of 2100110011 is about 1280.6015261517.

Adding to 2100110011 its reverse (1100110012), we get a palindrome (3200220023).

Subtracting from 2100110011 its reverse (1100110012), we obtain a palindrome (999999999).

The spelling of 2100110011 in words is "two billion, one hundred million, one hundred ten thousand, eleven".