11131322021103 has 4 divisors (see below), whose sum is σ = 14841762694808. Its totient is φ = 7420881347400.

The previous prime is 11131322020979. The next prime is 11131322021137. The reversal of 11131322021103 is 30112022313111.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11131322021103 - 2¹⁰ = 11131322020079 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11131322021103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131322023103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855220336848 + ... + 1855220336853.

It is an arithmetic number, because the mean of its divisors is an integer number (3710440673702).

Almost surely, 2^{11131322021103} is an apocalyptic number.

11131322021103 is a deficient number, since it is larger than the sum of its proper divisors (3710440673705).

11131322021103 is an equidigital number, since it uses as much as digits as its factorization.

11131322021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3710440673704.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 11131322021103 its reverse (30112022313111), we get a palindrome (41243344334214).

The spelling of 11131322021103 in words is "eleven trillion, one hundred thirty-one billion, three hundred twenty-two million, twenty-one thousand, one hundred three".