11321213131011 has 32 divisors (see below), whose sum is σ = 18171294208000. Its totient is φ = 6260578672320.

The previous prime is 11321213131003. The next prime is 11321213131031. The reversal of 11321213131011 is 11013131212311.

It is not a de Polignac number, because 11321213131011 - 2³ = 11321213131003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11321213131031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177422146 + ... + 177485943.

It is an arithmetic number, because the mean of its divisors is an integer number (567852944000).

Almost surely, 2^{11321213131011} is an apocalyptic number.

11321213131011 is a deficient number, since it is larger than the sum of its proper divisors (6850081076989).

11321213131011 is an equidigital number, since it uses as much as digits as its factorization.

11321213131011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354908144 (or 354908130 counting only the distinct ones).

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

Adding to 11321213131011 its reverse (11013131212311), we get a palindrome (22334344343322).

The spelling of 11321213131011 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred thirty-one thousand, eleven".