1004120321011 has 4 divisors (see below), whose sum is σ = 1010133017712. Its totient is φ = 998107624312.

The previous prime is 1004120320981. The next prime is 1004120321047. The reversal of 1004120321011 is 1101230214001.

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 1004120321011 - 2⁵ = 1004120320979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004120325011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3006348100 + ... + 3006348433.

It is an arithmetic number, because the mean of its divisors is an integer number (252533254428).

Almost surely, 2^{1004120321011} is an apocalyptic number.

1004120321011 is a deficient number, since it is larger than the sum of its proper divisors (6012696701).

1004120321011 is an equidigital number, since it uses as much as digits as its factorization.

1004120321011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6012696700.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1004120321011 its reverse (1101230214001), we get a palindrome (2105350535012).

The spelling of 1004120321011 in words is "one trillion, four billion, one hundred twenty million, three hundred twenty-one thousand, eleven".