11131321133011 has 4 divisors (see below), whose sum is σ = 11515159792800. Its totient is φ = 10747482473224.

The previous prime is 11131321132963. The next prime is 11131321133039. The reversal of 11131321133011 is 11033112313111.

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

It is a cyclic number.

It is not a de Polignac number, because 11131321133011 - 2⁹ = 11131321132499 is a prime.

It is a super-2 number, since 2×11131321133011² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131321137011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191919329851 + ... + 191919329908.

It is an arithmetic number, because the mean of its divisors is an integer number (2878789948200).

Almost surely, 2^{11131321133011} is an apocalyptic number.

11131321133011 is a deficient number, since it is larger than the sum of its proper divisors (383838659789).

11131321133011 is an equidigital number, since it uses as much as digits as its factorization.

11131321133011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383838659788.

The product of its (nonzero) digits is 162, while the sum is 22.

Adding to 11131321133011 its reverse (11033112313111), we get a palindrome (22164433446122).

The spelling of 11131321133011 in words is "eleven trillion, one hundred thirty-one billion, three hundred twenty-one million, one hundred thirty-three thousand, eleven".