21020322011303 has 8 divisors (see below), whose sum is σ = 22131901846320. Its totient is φ = 19909266886080.

The previous prime is 21020322011267. The next prime is 21020322011407. The reversal of 21020322011303 is 30311022302012.

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 21020322011303 - 2¹² = 21020322007207 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21020322011203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131095208 + ... + 131255453.

It is an arithmetic number, because the mean of its divisors is an integer number (2766487730790).

Almost surely, 2^{21020322011303} is an apocalyptic number.

21020322011303 is a deficient number, since it is larger than the sum of its proper divisors (1111579835017).

21020322011303 is a wasteful number, since it uses less digits than its factorization.

21020322011303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262354897.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 21020322011303 its reverse (30311022302012), we get a palindrome (51331344313315).

The spelling of 21020322011303 in words is "twenty-one trillion, twenty billion, three hundred twenty-two million, eleven thousand, three hundred three".