11331103231111 has 32 divisors (see below), whose sum is σ = 13043645058240. Its totient is φ = 9776856121344.

The previous prime is 11331103231087. The next prime is 11331103231117. The reversal of 11331103231111 is 11113230113311.

It is a cyclic number.

It is not a de Polignac number, because 11331103231111 - 2⁵ = 11331103231079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11331103231117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3283890 + ... + 5783263.

It is an arithmetic number, because the mean of its divisors is an integer number (407613908070).

Almost surely, 2^{11331103231111} is an apocalyptic number.

11331103231111 is a deficient number, since it is larger than the sum of its proper divisors (1712541827129).

11331103231111 is a wasteful number, since it uses less digits than its factorization.

11331103231111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9067315.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 11331103231111 its reverse (11113230113311), we get a palindrome (22444333344422).

The spelling of 11331103231111 in words is "eleven trillion, three hundred thirty-one billion, one hundred three million, two hundred thirty-one thousand, one hundred eleven".