10000330123421 has 4 divisors (see below), whose sum is σ = 10909451043744. Its totient is φ = 9091209203100.

The previous prime is 10000330123409. The next prime is 10000330123463. The reversal of 10000330123421 is 12432103300001.

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 10000330123421 - 2¹⁰ = 10000330122397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10000330123393 and 10000330123402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10000330123481) 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, 454560460145 + ... + 454560460166.

It is an arithmetic number, because the mean of its divisors is an integer number (2727362760936).

Almost surely, 2^{10000330123421} is an apocalyptic number.

10000330123421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10000330123421 is a deficient number, since it is larger than the sum of its proper divisors (909120920323).

10000330123421 is an equidigital number, since it uses as much as digits as its factorization.

10000330123421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 909120920322.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 10000330123421 its reverse (12432103300001), we get a palindrome (22432433423422).

The spelling of 10000330123421 in words is "ten trillion, three hundred thirty million, one hundred twenty-three thousand, four hundred twenty-one".