11321222011131 has 8 divisors (see below), whose sum is σ = 15446008325440. Its totient is φ = 7371958518792.

The previous prime is 11321222011111. The next prime is 11321222011193. The reversal of 11321222011131 is 13111022212311.

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

It is not a de Polignac number, because 11321222011131 - 2³⁰ = 11320148269307 is a prime.

It is a super-2 number, since 2×11321222011131² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11321222011098 and 11321222011107.

It is not an unprimeable number, because it can be changed into a prime (11321222011111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43880705341 + ... + 43880705598.

It is an arithmetic number, because the mean of its divisors is an integer number (1930751040680).

Almost surely, 2^{11321222011131} is an apocalyptic number.

11321222011131 is a deficient number, since it is larger than the sum of its proper divisors (4124786314309).

11321222011131 is an equidigital number, since it uses as much as digits as its factorization.

11321222011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87761410985.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11321222011131 its reverse (13111022212311), we get a palindrome (24432244223442).

The spelling of 11321222011131 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-two million, eleven thousand, one hundred thirty-one".