11311100211 has 8 divisors (see below), whose sum is σ = 15082651584. Its totient is φ = 7540141160.

The previous prime is 11311100153. The next prime is 11311100233. The reversal of 11311100211 is 11200111311.

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 11311100211 - 2⁶ = 11311100147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11311100261) 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, 101421 + ... + 181406.

It is an arithmetic number, because the mean of its divisors is an integer number (1885331448).

Almost surely, 2^11311100211 is an apocalyptic number.

11311100211 is a deficient number, since it is larger than the sum of its proper divisors (3771551373).

11311100211 is a wasteful number, since it uses less digits than its factorization.

11311100211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 296161.

The product of its (nonzero) digits is 6, while the sum is 12.

Adding to 11311100211 its reverse (11200111311), we get a palindrome (22511211522).

It can be divided in two parts, 11311100 and 211, that added together give a palindrome (11311311).

The spelling of 11311100211 in words is "eleven billion, three hundred eleven million, one hundred thousand, two hundred eleven".