11001111112211 has 8 divisors (see below), whose sum is σ = 12005705307648. Its totient is φ = 9997265781000.

The previous prime is 11001111112127. The next prime is 11001111112249. The reversal of 11001111112211 is 11221111110011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11001111112211 is a prime.

It is a Duffinian number.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (11001111142211) 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, 187185335 + ... + 187244096.

It is an arithmetic number, because the mean of its divisors is an integer number (1500713163456).

Almost surely, 2^{11001111112211} is an apocalyptic number.

11001111112211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11001111112211 is a deficient number, since it is larger than the sum of its proper divisors (1004594195437).

11001111112211 is a wasteful number, since it uses less digits than its factorization.

11001111112211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374432113.

The product of its (nonzero) digits is 4, while the sum is 14.

Adding to 11001111112211 its reverse (11221111110011), we get a palindrome (22222222222222).

The spelling of 11001111112211 in words is "eleven trillion, one billion, one hundred eleven million, one hundred twelve thousand, two hundred eleven".