11122131443 has 4 divisors (see below), whose sum is σ = 11168281608. Its totient is φ = 11075981280.

The previous prime is 11122131437. The next prime is 11122131451. The reversal of 11122131443 is 34413122111.

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 11122131443 - 2³⁰ = 10048389619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11122131343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23074721 + ... + 23075202.

It is an arithmetic number, because the mean of its divisors is an integer number (2792070402).

Almost surely, 2^11122131443 is an apocalyptic number.

11122131443 is a deficient number, since it is larger than the sum of its proper divisors (46150165).

11122131443 is an equidigital number, since it uses as much as digits as its factorization.

11122131443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46150164.

The product of its digits is 576, while the sum is 23.

Adding to 11122131443 its reverse (34413122111), we get a palindrome (45535253554).

The spelling of 11122131443 in words is "eleven billion, one hundred twenty-two million, one hundred thirty-one thousand, four hundred forty-three".