11102212211211 has 36 divisors (see below), whose sum is σ = 18076934842200. Its totient is φ = 6511561358400.

The previous prime is 11102212211179. The next prime is 11102212211221. The reversal of 11102212211211 is 11211221220111.

It is a happy number.

11102212211211 is a `hidden beast` number, since 1 + 1 + 10 + 221 + 221 + 1 + 211 = 666.

It is not a de Polignac number, because 11102212211211 - 2⁵ = 11102212211179 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11102212211221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 58252186 + ... + 58442463.

It is an arithmetic number, because the mean of its divisors is an integer number (502137078950).

Almost surely, 2^{11102212211211} is an apocalyptic number.

11102212211211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11102212211211 is a deficient number, since it is larger than the sum of its proper divisors (6974722630989).

11102212211211 is a wasteful number, since it uses less digits than its factorization.

11102212211211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116694728 (or 116694694 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 11102212211211 its reverse (11211221220111), we get a palindrome (22313433431322).

The spelling of 11102212211211 in words is "eleven trillion, one hundred two billion, two hundred twelve million, two hundred eleven thousand, two hundred eleven".