21200323102213 has 8 divisors (see below), whose sum is σ = 21559897101600. Its totient is φ = 20840757319248.

The previous prime is 21200323102187. The next prime is 21200323102243. The reversal of 21200323102213 is 31220132300212.

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 21200323102213 - 2¹⁷ = 21200322971141 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 (21200323102243) 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, 3265998 + ... + 7284736.

It is an arithmetic number, because the mean of its divisors is an integer number (2694987137700).

Almost surely, 2^{21200323102213} is an apocalyptic number.

It is an amenable number.

21200323102213 is a deficient number, since it is larger than the sum of its proper divisors (359573999387).

21200323102213 is an equidigital number, since it uses as much as digits as its factorization.

21200323102213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4108211.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 21200323102213 its reverse (31220132300212), we get a palindrome (52420455402425).

The spelling of 21200323102213 in words is "twenty-one trillion, two hundred billion, three hundred twenty-three million, one hundred two thousand, two hundred thirteen".