1121144424441 has 4 divisors (see below), whose sum is σ = 1494859232592. Its totient is φ = 747429616292.

The previous prime is 1121144424403. The next prime is 1121144424461. The reversal of 1121144424441 is 1444244411211.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1121144424441 - 2¹⁷ = 1121144293369 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1121144424461) 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, 186857404071 + ... + 186857404076.

It is an arithmetic number, because the mean of its divisors is an integer number (373714808148).

Almost surely, 2^{1121144424441} is an apocalyptic number.

It is an amenable number.

1121144424441 is a deficient number, since it is larger than the sum of its proper divisors (373714808151).

1121144424441 is an equidigital number, since it uses as much as digits as its factorization.

1121144424441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373714808150.

The product of its digits is 16384, while the sum is 33.

Adding to 1121144424441 its reverse (1444244411211), we get a palindrome (2565388835652).

The spelling of 1121144424441 in words is "one trillion, one hundred twenty-one billion, one hundred forty-four million, four hundred twenty-four thousand, four hundred forty-one".