1121321333441 has 4 divisors (see below), whose sum is σ = 1121382203952. Its totient is φ = 1121260462932.

The previous prime is 1121321333393. The next prime is 1121321333507. The reversal of 1121321333441 is 1443331231211.

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 1121321333441 - 2³⁸ = 846443426497 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121321335441) 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, 30407615 + ... + 30444468.

It is an arithmetic number, because the mean of its divisors is an integer number (280345550988).

Almost surely, 2^{1121321333441} is an apocalyptic number.

It is an amenable number.

1121321333441 is a deficient number, since it is larger than the sum of its proper divisors (60870511).

1121321333441 is an equidigital number, since it uses as much as digits as its factorization.

1121321333441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60870510.

The product of its digits is 5184, while the sum is 29.

Adding to 1121321333441 its reverse (1443331231211), we get a palindrome (2564652564652).

The spelling of 1121321333441 in words is "one trillion, one hundred twenty-one billion, three hundred twenty-one million, three hundred thirty-three thousand, four hundred forty-one".