11101211211 has 8 divisors (see below), whose sum is σ = 15445163520. Its totient is φ = 7079033192.

The previous prime is 11101211207. The next prime is 11101211213. The reversal of 11101211211 is 11211210111.

11101211211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11101211211 - 2² = 11101211207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11101211213) 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 7 ways as a sum of consecutive naturals, for example, 80443491 + ... + 80443628.

It is an arithmetic number, because the mean of its divisors is an integer number (1930645440).

Almost surely, 2^11101211211 is an apocalyptic number.

11101211211 is a deficient number, since it is larger than the sum of its proper divisors (4343952309).

11101211211 is a wasteful number, since it uses less digits than its factorization.

11101211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160887145.

The product of its (nonzero) digits is 4, while the sum is 12.

Adding to 11101211211 its reverse (11211210111), we get a palindrome (22312421322).

The spelling of 11101211211 in words is "eleven billion, one hundred one million, two hundred eleven thousand, two hundred eleven".