11101210211 has 24 divisors (see below), whose sum is σ = 13819167264. Its totient is φ = 8684121600.

The previous prime is 11101210187. The next prime is 11101210213. The reversal of 11101210211 is 11201210111.

11101210211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11101210211 - 2²² = 11097015907 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11101210192 and 11101210201.

It is not an unprimeable number, because it can be changed into a prime (11101210213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 713111 + ... + 728511.

It is an arithmetic number, because the mean of its divisors is an integer number (575798636).

Almost surely, 2^11101210211 is an apocalyptic number.

11101210211 is a deficient number, since it is larger than the sum of its proper divisors (2717957053).

11101210211 is an equidigital number, since it uses as much as digits as its factorization.

11101210211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15599 (or 15510 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11101210211 its reverse (11201210111), we get a palindrome (22302420322).

The spelling of 11101210211 in words is "eleven billion, one hundred one million, two hundred ten thousand, two hundred eleven".