11331112232211 has 4 divisors (see below), whose sum is σ = 15108149642952. Its totient is φ = 7554074821472.

The previous prime is 11331112232161. The next prime is 11331112232233. The reversal of 11331112232211 is 11223221113311.

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 11331112232211 - 2¹⁵ = 11331112199443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331112232281) 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, 1888518705366 + ... + 1888518705371.

It is an arithmetic number, because the mean of its divisors is an integer number (3777037410738).

Almost surely, 2^{11331112232211} is an apocalyptic number.

11331112232211 is a deficient number, since it is larger than the sum of its proper divisors (3777037410741).

11331112232211 is an equidigital number, since it uses as much as digits as its factorization.

11331112232211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777037410740.

The product of its digits is 432, while the sum is 24.

Adding to 11331112232211 its reverse (11223221113311), we get a palindrome (22554333345522).

The spelling of 11331112232211 in words is "eleven trillion, three hundred thirty-one billion, one hundred twelve million, two hundred thirty-two thousand, two hundred eleven".