11131330221311 has 8 divisors (see below), whose sum is σ = 11246159324400. Its totient is φ = 11016502610688.

The previous prime is 11131330221259. The next prime is 11131330221317. The reversal of 11131330221311 is 11312203313111.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11131330221311 - 2¹⁰ = 11131330220287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131330221317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20763665 + ... + 21293013.

It is an arithmetic number, because the mean of its divisors is an integer number (1405769915550).

Almost surely, 2^{11131330221311} is an apocalyptic number.

11131330221311 is a deficient number, since it is larger than the sum of its proper divisors (114829103089).

11131330221311 is an equidigital number, since it uses as much as digits as its factorization.

11131330221311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746233.

The product of its (nonzero) digits is 324, while the sum is 23.

Adding to 11131330221311 its reverse (11312203313111), we get a palindrome (22443533534422).

The spelling of 11131330221311 in words is "eleven trillion, one hundred thirty-one billion, three hundred thirty million, two hundred twenty-one thousand, three hundred eleven".