11001113212211 has 4 divisors (see below), whose sum is σ = 11001121744872. Its totient is φ = 11001104679552.

The previous prime is 11001113212151. The next prime is 11001113212223. The reversal of 11001113212211 is 11221231110011.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001113212211 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11001113212211.

It is not an unprimeable number, because it can be changed into a prime (11001113214211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1891886 + ... + 5057811.

It is an arithmetic number, because the mean of its divisors is an integer number (2750280436218).

Almost surely, 2^{11001113212211} is an apocalyptic number.

11001113212211 is a deficient number, since it is larger than the sum of its proper divisors (8532661).

11001113212211 is an equidigital number, since it uses as much as digits as its factorization.

11001113212211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8532660.

The product of its (nonzero) digits is 24, while the sum is 17.

Adding to 11001113212211 its reverse (11221231110011), we get a palindrome (22222344322222).

The spelling of 11001113212211 in words is "eleven trillion, one billion, one hundred thirteen million, two hundred twelve thousand, two hundred eleven".