21230302003301 has 4 divisors (see below), whose sum is σ = 21392365377504. Its totient is φ = 21068238629100.

The previous prime is 21230302003237. The next prime is 21230302003307. The reversal of 21230302003301 is 10330020303212.

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 21230302003301 - 2⁶ = 21230302003237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21230302003307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81031686905 + ... + 81031687166.

It is an arithmetic number, because the mean of its divisors is an integer number (5348091344376).

Almost surely, 2^{21230302003301} is an apocalyptic number.

It is an amenable number.

21230302003301 is a deficient number, since it is larger than the sum of its proper divisors (162063374203).

21230302003301 is a wasteful number, since it uses less digits than its factorization.

21230302003301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162063374202.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 21230302003301 its reverse (10330020303212), we get a palindrome (31560322306513).

The spelling of 21230302003301 in words is "twenty-one trillion, two hundred thirty billion, three hundred two million, three thousand, three hundred one".