2104031102421 has 8 divisors (see below), whose sum is σ = 2834296193344. Its totient is φ = 1388226706560.

The previous prime is 2104031102419. The next prime is 2104031102441. The reversal of 2104031102421 is 1242011304012.

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

It is not a de Polignac number, because 2104031102421 - 2¹ = 2104031102419 is a prime.

It is a super-2 number, since 2×2104031102421² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2104031102441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3615173425 + ... + 3615174006.

It is an arithmetic number, because the mean of its divisors is an integer number (354287024168).

Almost surely, 2^{2104031102421} is an apocalyptic number.

It is an amenable number.

2104031102421 is a deficient number, since it is larger than the sum of its proper divisors (730265090923).

2104031102421 is an equidigital number, since it uses as much as digits as its factorization.

2104031102421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7230347531.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 2104031102421 its reverse (1242011304012), we get a palindrome (3346042406433).

The spelling of 2104031102421 in words is "two trillion, one hundred four billion, thirty-one million, one hundred two thousand, four hundred twenty-one".