1013421003421 has 8 divisors (see below), whose sum is σ = 1024440019200. Its totient is φ = 1002421304400.

The previous prime is 1013421003403. The next prime is 1013421003437. The reversal of 1013421003421 is 1243001243101.

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 1013421003421 - 2¹³ = 1013420995229 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1013421003392 and 1013421003401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1013421003461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4723681 + ... + 4933558.

It is an arithmetic number, because the mean of its divisors is an integer number (128055002400).

Almost surely, 2^{1013421003421} is an apocalyptic number.

It is an amenable number.

1013421003421 is a deficient number, since it is larger than the sum of its proper divisors (11019015779).

1013421003421 is a wasteful number, since it uses less digits than its factorization.

1013421003421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9658379.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 1013421003421 its reverse (1243001243101), we get a palindrome (2256422246522).

The spelling of 1013421003421 in words is "one trillion, thirteen billion, four hundred twenty-one million, three thousand, four hundred twenty-one".