2100211110211 has 4 divisors (see below), whose sum is σ = 2100225273912. Its totient is φ = 2100196946512.

The previous prime is 2100211110181. The next prime is 2100211110241. The reversal of 2100211110211 is 1120111120012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2100211110181) and next prime (2100211110241).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2100211110211 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2100211110191 and 2100211110200.

It is not an unprimeable number, because it can be changed into a prime (2100211110241) 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, 6857050 + ... + 7156783.

It is an arithmetic number, because the mean of its divisors is an integer number (525056318478).

Almost surely, 2^{2100211110211} is an apocalyptic number.

2100211110211 is a deficient number, since it is larger than the sum of its proper divisors (14163701).

2100211110211 is a wasteful number, since it uses less digits than its factorization.

2100211110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14163700.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 2100211110211 its reverse (1120111120012), we get a palindrome (3220322230223).

The spelling of 2100211110211 in words is "two trillion, one hundred billion, two hundred eleven million, one hundred ten thousand, two hundred eleven".