21232202321303 has 16 divisors (see below), whose sum is σ = 22552742933760. Its totient is φ = 19946577442176.

The previous prime is 21232202321233. The next prime is 21232202321353. The reversal of 21232202321303 is 30312320223212.

It is a cyclic number.

It is not a de Polignac number, because 21232202321303 - 2²⁰ = 21232201272727 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 (21232202321353) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19923113 + ... + 20961746.

It is an arithmetic number, because the mean of its divisors is an integer number (1409546433360).

Almost surely, 2^{21232202321303} is an apocalyptic number.

21232202321303 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

21232202321303 is a deficient number, since it is larger than the sum of its proper divisors (1320540612457).

21232202321303 is a wasteful number, since it uses less digits than its factorization.

21232202321303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40885286.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 21232202321303 its reverse (30312320223212), we get a palindrome (51544522544515).

The spelling of 21232202321303 in words is "twenty-one trillion, two hundred thirty-two billion, two hundred two million, three hundred twenty-one thousand, three hundred three".