1121044044121 has 4 divisors (see below), whose sum is σ = 1121056637200. Its totient is φ = 1121031451044.

The previous prime is 1121044044079. The next prime is 1121044044137. The reversal of 1121044044121 is 1214404401211.

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 1121044044121 - 2³⁵ = 1086684305753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121044044161) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6162051 + ... + 6341368.

It is an arithmetic number, because the mean of its divisors is an integer number (280264159300).

Almost surely, 2^{1121044044121} is an apocalyptic number.

It is an amenable number.

1121044044121 is a deficient number, since it is larger than the sum of its proper divisors (12593079).

1121044044121 is an equidigital number, since it uses as much as digits as its factorization.

1121044044121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12593078.

The product of its (nonzero) digits is 1024, while the sum is 25.

Adding to 1121044044121 its reverse (1214404401211), we get a palindrome (2335448445332).

The spelling of 1121044044121 in words is "one trillion, one hundred twenty-one billion, forty-four million, forty-four thousand, one hundred twenty-one".