1004411212421 has 4 divisors (see below), whose sum is σ = 1036811574144. Its totient is φ = 972010850700.

The previous prime is 1004411212417. The next prime is 1004411212429. The reversal of 1004411212421 is 1242121144001.

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 1004411212421 - 2² = 1004411212417 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1004411212429) 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, 16200180815 + ... + 16200180876.

It is an arithmetic number, because the mean of its divisors is an integer number (259202893536).

Almost surely, 2^{1004411212421} is an apocalyptic number.

It is an amenable number.

1004411212421 is a deficient number, since it is larger than the sum of its proper divisors (32400361723).

1004411212421 is an equidigital number, since it uses as much as digits as its factorization.

1004411212421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32400361722.

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

Adding to 1004411212421 its reverse (1242121144001), we get a palindrome (2246532356422).

The spelling of 1004411212421 in words is "one trillion, four billion, four hundred eleven million, two hundred twelve thousand, four hundred twenty-one".