21320050030001 has 8 divisors (see below), whose sum is σ = 21433261852800. Its totient is φ = 21206898966528.

The previous prime is 21320050029979. The next prime is 21320050030009. The reversal of 21320050030001 is 10003005002312.

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 21320050030001 - 2⁶ = 21320050029937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21320050030009) 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, 14486096 + ... + 15889841.

It is an arithmetic number, because the mean of its divisors is an integer number (2679157731600).

Almost surely, 2^{21320050030001} is an apocalyptic number.

It is an amenable number.

21320050030001 is a deficient number, since it is larger than the sum of its proper divisors (113211822799).

21320050030001 is a wasteful number, since it uses less digits than its factorization.

21320050030001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30379663.

The product of its (nonzero) digits is 180, while the sum is 17.

Adding to 21320050030001 its reverse (10003005002312), we get a palindrome (31323055032313).

The spelling of 21320050030001 in words is "twenty-one trillion, three hundred twenty billion, fifty million, thirty thousand, one".