211102102111 has 8 divisors (see below), whose sum is σ = 211466098800. Its totient is φ = 210738239040.

The previous prime is 211102102093. The next prime is 211102102117. The reversal of 211102102111 is 111201201112.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211102102111 - 2⁹ = 211102101599 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211102102091 and 211102102100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211102102117) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3436555 + ... + 3497443.

It is an arithmetic number, because the mean of its divisors is an integer number (26433262350).

Almost surely, 2^211102102111 is an apocalyptic number.

211102102111 is a deficient number, since it is larger than the sum of its proper divisors (363996689).

211102102111 is an equidigital number, since it uses as much as digits as its factorization.

211102102111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66809.

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

Adding to 211102102111 its reverse (111201201112), we get a palindrome (322303303223).

Subtracting from 211102102111 its reverse (111201201112), we obtain a palindrome (99900900999).

The spelling of 211102102111 in words is "two hundred eleven billion, one hundred two million, one hundred two thousand, one hundred eleven".