11313211021311 has 16 divisors (see below), whose sum is σ = 15740479535616. Its totient is φ = 7214056587936.

The previous prime is 11313211021271. The next prime is 11313211021363. The reversal of 11313211021311 is 11312011231311.

It is not a de Polignac number, because 11313211021311 - 2⁹ = 11313211020799 is a prime.

It is a super-2 number, since 2×11313211021311² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313211021111) 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, 1202041 + ... + 4906253.

It is an arithmetic number, because the mean of its divisors is an integer number (983779970976).

Almost surely, 2^{11313211021311} is an apocalyptic number.

11313211021311 is a deficient number, since it is larger than the sum of its proper divisors (4427268514305).

11313211021311 is a wasteful number, since it uses less digits than its factorization.

11313211021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3748502.

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

Adding to 11313211021311 its reverse (11312011231311), we get a palindrome (22625222252622).

The spelling of 11313211021311 in words is "eleven trillion, three hundred thirteen billion, two hundred eleven million, twenty-one thousand, three hundred eleven".