1000004032021 has 4 divisors (see below), whose sum is σ = 1052635823200. Its totient is φ = 947372240844.

The previous prime is 1000004032007. The next prime is 1000004032033. The reversal of 1000004032021 is 1202304000001.

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 1000004032021 - 2⁵ = 1000004031989 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000004031992 and 1000004032010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000004030021) 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, 26315895561 + ... + 26315895598.

It is an arithmetic number, because the mean of its divisors is an integer number (263158955800).

Almost surely, 2^{1000004032021} is an apocalyptic number.

It is an amenable number.

1000004032021 is a deficient number, since it is larger than the sum of its proper divisors (52631791179).

1000004032021 is an equidigital number, since it uses as much as digits as its factorization.

1000004032021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52631791178.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 1000004032021 its reverse (1202304000001), we get a palindrome (2202308032022).

The spelling of 1000004032021 in words is "one trillion, four million, thirty-two thousand, twenty-one".