11233221003211 has 4 divisors (see below), whose sum is σ = 11233747392624. Its totient is φ = 11232694613800.

The previous prime is 11233221003187. The next prime is 11233221003227. The reversal of 11233221003211 is 11230012233211.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11233221003211 - 2³¹ = 11231073519563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11233221003271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 263162695 + ... + 263205376.

It is an arithmetic number, because the mean of its divisors is an integer number (2808436848156).

Almost surely, 2^{11233221003211} is an apocalyptic number.

11233221003211 is a deficient number, since it is larger than the sum of its proper divisors (526389413).

11233221003211 is an equidigital number, since it uses as much as digits as its factorization.

11233221003211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526389412.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11233221003211 its reverse (11230012233211), we get a palindrome (22463233236422).

The spelling of 11233221003211 in words is "eleven trillion, two hundred thirty-three billion, two hundred twenty-one million, three thousand, two hundred eleven".