11313122231121 has 8 divisors (see below), whose sum is σ = 15167500892544. Its totient is φ = 7500412528560.

The previous prime is 11313122231111. The next prime is 11313122231143. The reversal of 11313122231121 is 12113222131311.

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

It is not a de Polignac number, because 11313122231121 - 2²⁵ = 11313088676689 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11313122231091 and 11313122231100.

It is not an unprimeable number, because it can be changed into a prime (11313122231111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10417239081 + ... + 10417240166.

It is an arithmetic number, because the mean of its divisors is an integer number (1895937611568).

Almost surely, 2^{11313122231121} is an apocalyptic number.

It is an amenable number.

11313122231121 is a deficient number, since it is larger than the sum of its proper divisors (3854378661423).

11313122231121 is a wasteful number, since it uses less digits than its factorization.

11313122231121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20834479431.

The product of its digits is 432, while the sum is 24.

Adding to 11313122231121 its reverse (12113222131311), we get a palindrome (23426344362432).

The spelling of 11313122231121 in words is "eleven trillion, three hundred thirteen billion, one hundred twenty-two million, two hundred thirty-one thousand, one hundred twenty-one".