1004213022161 has 4 divisors (see below), whose sum is σ = 1006258263024. Its totient is φ = 1002167781300.

The previous prime is 1004213022139. The next prime is 1004213022179. The reversal of 1004213022161 is 1612203124001.

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 a de Polignac number, because none of the positive numbers 2^k-1004213022161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1004213022361) 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, 1022619695 + ... + 1022620676.

It is an arithmetic number, because the mean of its divisors is an integer number (251564565756).

Almost surely, 2^{1004213022161} is an apocalyptic number.

It is an amenable number.

1004213022161 is a deficient number, since it is larger than the sum of its proper divisors (2045240863).

1004213022161 is an equidigital number, since it uses as much as digits as its factorization.

1004213022161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2045240862.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1004213022161 its reverse (1612203124001), we get a palindrome (2616416146162).

The spelling of 1004213022161 in words is "one trillion, four billion, two hundred thirteen million, twenty-two thousand, one hundred sixty-one".