221430104003121 has 8 divisors (see below), whose sum is σ = 317950918568640. Its totient is φ = 136264679386512.

The previous prime is 221430104003111. The next prime is 221430104003123. The reversal of 221430104003121 is 121300401034122.

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

It is not a de Polignac number, because 221430104003121 - 2⁵ = 221430104003089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 221430104003091 and 221430104003100.

It is not an unprimeable number, because it can be changed into a prime (221430104003123) 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, 2838847487181 + ... + 2838847487258.

It is an arithmetic number, because the mean of its divisors is an integer number (39743864821080).

Almost surely, 2^{221430104003121} is an apocalyptic number.

It is an amenable number.

221430104003121 is a deficient number, since it is larger than the sum of its proper divisors (96520814565519).

221430104003121 is a wasteful number, since it uses less digits than its factorization.

221430104003121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5677694974455.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 221430104003121 its reverse (121300401034122), we get a palindrome (342730505037243).

The spelling of 221430104003121 in words is "two hundred twenty-one trillion, four hundred thirty billion, one hundred four million, three thousand, one hundred twenty-one".