11331312211011 has 16 divisors (see below), whose sum is σ = 16292500713216. Its totient is φ = 6963730107936.

The previous prime is 11331312210973. The next prime is 11331312211027. The reversal of 11331312211011 is 11011221313311.

It is not a de Polignac number, because 11331312211011 - 2¹¹ = 11331312208963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11331312211031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195493545 + ... + 195551498.

It is an arithmetic number, because the mean of its divisors is an integer number (1018281294576).

Almost surely, 2^{11331312211011} is an apocalyptic number.

11331312211011 is a deficient number, since it is larger than the sum of its proper divisors (4961188502205).

11331312211011 is a wasteful number, since it uses less digits than its factorization.

11331312211011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391045802.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 11331312211011 its reverse (11011221313311), we get a palindrome (22342533524322).

The spelling of 11331312211011 in words is "eleven trillion, three hundred thirty-one billion, three hundred twelve million, two hundred eleven thousand, eleven".