11000012211 has 24 divisors (see below), whose sum is σ = 16235541504. Its totient is φ = 7173521520.

The previous prime is 11000012203. The next prime is 11000012267. The reversal of 11000012211 is 11221000011.

It is a happy number.

It is not a de Polignac number, because 11000012211 - 2³ = 11000012203 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 = 11000012193 and 11000012202.

It is not an unprimeable number, because it can be changed into a prime (11000012201) 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, 953206 + ... + 964676.

It is an arithmetic number, because the mean of its divisors is an integer number (676480896).

Almost surely, 2^11000012211 is an apocalyptic number.

11000012211 is a deficient number, since it is larger than the sum of its proper divisors (5235529293).

11000012211 is a wasteful number, since it uses less digits than its factorization.

11000012211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13791 (or 13788 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11000012211 its reverse (11221000011), we get a palindrome (22221012222).

The spelling of 11000012211 in words is "eleven billion, twelve thousand, two hundred eleven".