11331202311011 has 24 divisors (see below), whose sum is σ = 12595677837120. Its totient is φ = 10184722401920.

The previous prime is 11331202311001. The next prime is 11331202311043. The reversal of 11331202311011 is 11011320213311.

It is a de Polignac number, because none of the positive numbers 2^k-11331202311011 is a prime.

It is a super-2 number, since 2×11331202311011² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11331202311001) 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 23 ways as a sum of consecutive naturals, for example, 347854721 + ... + 347887293.

It is an arithmetic number, because the mean of its divisors is an integer number (524819909880).

Almost surely, 2^{11331202311011} is an apocalyptic number.

11331202311011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11331202311011 is a deficient number, since it is larger than the sum of its proper divisors (1264475526109).

11331202311011 is a wasteful number, since it uses less digits than its factorization.

11331202311011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64987 (or 64976 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 11331202311011 its reverse (11011320213311), we get a palindrome (22342522524322).

The spelling of 11331202311011 in words is "eleven trillion, three hundred thirty-one billion, two hundred two million, three hundred eleven thousand, eleven".