10424121321 has 4 divisors (see below), whose sum is σ = 13898828432. Its totient is φ = 6949414212.

The previous prime is 10424121317. The next prime is 10424121343. The reversal of 10424121321 is 12312142401.

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 not a de Polignac number, because 10424121321 - 2² = 10424121317 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10424121821) 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, 1737353551 + ... + 1737353556.

It is an arithmetic number, because the mean of its divisors is an integer number (3474707108).

Almost surely, 2^10424121321 is an apocalyptic number.

It is an amenable number.

10424121321 is a deficient number, since it is larger than the sum of its proper divisors (3474707111).

10424121321 is an equidigital number, since it uses as much as digits as its factorization.

10424121321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3474707110.

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

Adding to 10424121321 its reverse (12312142401), we get a palindrome (22736263722).

The spelling of 10424121321 in words is "ten billion, four hundred twenty-four million, one hundred twenty-one thousand, three hundred twenty-one".