11000111211 has 24 divisors (see below), whose sum is σ = 16361280000. Its totient is φ = 7116494976.

The previous prime is 11000111203. The next prime is 11000111231. The reversal of 11000111211 is 11211100011.

It is not a de Polignac number, because 11000111211 - 2³ = 11000111203 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11000111193 and 11000111202.

It is not an unprimeable number, because it can be changed into a prime (11000111231) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84415 + ... + 170663.

It is an arithmetic number, because the mean of its divisors is an integer number (681720000).

Almost surely, 2^11000111211 is an apocalyptic number.

11000111211 is a deficient number, since it is larger than the sum of its proper divisors (5361168789).

11000111211 is a wasteful number, since it uses less digits than its factorization.

11000111211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86675 (or 86672 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11000111211 its reverse (11211100011), we get a palindrome (22211211222).

The spelling of 11000111211 in words is "eleven billion, one hundred eleven thousand, two hundred eleven".