10404214203421 has 4 divisors (see below), whose sum is σ = 10646172673312. Its totient is φ = 10162255733532.

The previous prime is 10404214203401. The next prime is 10404214203443. The reversal of 10404214203421 is 12430241240401.

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 10404214203421 - 2³³ = 10395624268829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10404214203421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404214203401) 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, 120979234881 + ... + 120979234966.

It is an arithmetic number, because the mean of its divisors is an integer number (2661543168328).

Almost surely, 2^{10404214203421} is an apocalyptic number.

It is an amenable number.

10404214203421 is a deficient number, since it is larger than the sum of its proper divisors (241958469891).

10404214203421 is an equidigital number, since it uses as much as digits as its factorization.

10404214203421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241958469890.

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 10404214203421 its reverse (12430241240401), we get a palindrome (22834455443822).

The spelling of 10404214203421 in words is "ten trillion, four hundred four billion, two hundred fourteen million, two hundred three thousand, four hundred twenty-one".