211102021103 has 4 divisors (see below), whose sum is σ = 216250850928. Its totient is φ = 205953191280.

The previous prime is 211102021079. The next prime is 211102021187. The reversal of 211102021103 is 301120201112.

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 211102021103 - 2⁸ = 211102020847 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102051103) 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, 2574414851 + ... + 2574414932.

It is an arithmetic number, because the mean of its divisors is an integer number (54062712732).

Almost surely, 2^211102021103 is an apocalyptic number.

211102021103 is a deficient number, since it is larger than the sum of its proper divisors (5148829825).

211102021103 is an equidigital number, since it uses as much as digits as its factorization.

211102021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5148829824.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 211102021103 its reverse (301120201112), we get a palindrome (512222222215).

The spelling of 211102021103 in words is "two hundred eleven billion, one hundred two million, twenty-one thousand, one hundred three".