21201303201 has 8 divisors (see below), whose sum is σ = 30442896960. Its totient is φ = 13046955792.

The previous prime is 21201303191. The next prime is 21201303229. The reversal of 21201303201 is 10230310212.

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

It is not a de Polignac number, because 21201303201 - 2⁵ = 21201303169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21201303241) 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, 271811541 + ... + 271811618.

It is an arithmetic number, because the mean of its divisors is an integer number (3805362120).

Almost surely, 2^21201303201 is an apocalyptic number.

It is an amenable number.

21201303201 is a deficient number, since it is larger than the sum of its proper divisors (9241593759).

21201303201 is a wasteful number, since it uses less digits than its factorization.

21201303201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543623175.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 21201303201 its reverse (10230310212), we get a palindrome (31431613413).

The spelling of 21201303201 in words is "twenty-one billion, two hundred one million, three hundred three thousand, two hundred one".