10421130421 has 8 divisors (see below), whose sum is σ = 11710702080. Its totient is φ = 9201265392.

The previous prime is 10421130389. The next prime is 10421130451. The reversal of 10421130421 is 12403112401.

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

It is a cyclic number.

It is not a de Polignac number, because 10421130421 - 2⁵ = 10421130389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10421130451) 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, 17426341 + ... + 17426938.

It is an arithmetic number, because the mean of its divisors is an integer number (1463837760).

Almost surely, 2^10421130421 is an apocalyptic number.

It is an amenable number.

10421130421 is a deficient number, since it is larger than the sum of its proper divisors (1289571659).

10421130421 is a wasteful number, since it uses less digits than its factorization.

10421130421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34853315.

The product of its (nonzero) digits is 192, while the sum is 19.

Adding to 10421130421 its reverse (12403112401), we get a palindrome (22824242822).

The spelling of 10421130421 in words is "ten billion, four hundred twenty-one million, one hundred thirty thousand, four hundred twenty-one".