1121242404011 has 8 divisors (see below), whose sum is σ = 1124489224320. Its totient is φ = 1117996872192.

The previous prime is 1121242403917. The next prime is 1121242404019. The reversal of 1121242404011 is 1104042421211.

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

It is a cyclic number.

It is not a de Polignac number, because 1121242404011 - 2³⁰ = 1120168662187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1121242404019) 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, 1434635 + ... + 2073803.

It is an arithmetic number, because the mean of its divisors is an integer number (140561153040).

Almost surely, 2^{1121242404011} is an apocalyptic number.

1121242404011 is a deficient number, since it is larger than the sum of its proper divisors (3246820309).

1121242404011 is an equidigital number, since it uses as much as digits as its factorization.

1121242404011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644245.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 1121242404011 its reverse (1104042421211), we get a palindrome (2225284825222).

The spelling of 1121242404011 in words is "one trillion, one hundred twenty-one billion, two hundred forty-two million, four hundred four thousand, eleven".