21232302232213 has 8 divisors (see below), whose sum is σ = 21237844613760. Its totient is φ = 21226760580480.

The previous prime is 21232302232189. The next prime is 21232302232241. The reversal of 21232302232213 is 31223220323212.

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 21232302232213 - 2¹⁷ = 21232302101141 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 (21232302232913) 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, 60626178 + ... + 60975388.

It is an arithmetic number, because the mean of its divisors is an integer number (2654730576720).

Almost surely, 2^{21232302232213} is an apocalyptic number.

It is an amenable number.

21232302232213 is a deficient number, since it is larger than the sum of its proper divisors (5542381547).

21232302232213 is an equidigital number, since it uses as much as digits as its factorization.

21232302232213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364907.

The product of its (nonzero) digits is 10368, while the sum is 28.

Adding to 21232302232213 its reverse (31223220323212), we get a palindrome (52455522555425).

The spelling of 21232302232213 in words is "twenty-one trillion, two hundred thirty-two billion, three hundred two million, two hundred thirty-two thousand, two hundred thirteen".