21200323230211 has 8 divisors (see below), whose sum is σ = 21307423404800. Its totient is φ = 21093228714888.

The previous prime is 21200323230187. The next prime is 21200323230239. The reversal of 21200323230211 is 11203232300212.

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 21200323230211 - 2⁷ = 21200323230083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21200323230311) 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, 6199600 + ... + 8990866.

It is an arithmetic number, because the mean of its divisors is an integer number (2663427925600).

Almost surely, 2^{21200323230211} is an apocalyptic number.

21200323230211 is a deficient number, since it is larger than the sum of its proper divisors (107100174589).

21200323230211 is a wasteful number, since it uses less digits than its factorization.

21200323230211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2829633.

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

Adding to 21200323230211 its reverse (11203232300212), we get a palindrome (32403555530423).

The spelling of 21200323230211 in words is "twenty-one trillion, two hundred billion, three hundred twenty-three million, two hundred thirty thousand, two hundred eleven".