21030321321301 has 8 divisors (see below), whose sum is σ = 21099803019264. Its totient is φ = 20960915521200.

The previous prime is 21030321321299. The next prime is 21030321321329. The reversal of 21030321321301 is 10312312303012.

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 21030321321301 - 2¹ = 21030321321299 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 (21030321321001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18419350 + ... + 19527751.

It is an arithmetic number, because the mean of its divisors is an integer number (2637475377408).

Almost surely, 2^{21030321321301} is an apocalyptic number.

It is an amenable number.

21030321321301 is a deficient number, since it is larger than the sum of its proper divisors (69481697963).

21030321321301 is a wasteful number, since it uses less digits than its factorization.

21030321321301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37948931.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 21030321321301 its reverse (10312312303012), we get a palindrome (31342633624313).

The spelling of 21030321321301 in words is "twenty-one trillion, thirty billion, three hundred twenty-one million, three hundred twenty-one thousand, three hundred one".