21203232200009 has 8 divisors (see below), whose sum is σ = 21206760218112. Its totient is φ = 21199704406560.

The previous prime is 21203232199931. The next prime is 21203232200027. The reversal of 21203232200009 is 90000223230212.

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 21203232200009 - 2²⁰ = 21203231151433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21203232200509) 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, 373840637 + ... + 373897349.

It is an arithmetic number, because the mean of its divisors is an integer number (2650845027264).

Almost surely, 2^{21203232200009} is an apocalyptic number.

It is an amenable number.

21203232200009 is a deficient number, since it is larger than the sum of its proper divisors (3528018103).

21203232200009 is an equidigital number, since it uses as much as digits as its factorization.

21203232200009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112327.

The product of its (nonzero) digits is 2592, while the sum is 26.

The spelling of 21203232200009 in words is "twenty-one trillion, two hundred three billion, two hundred thirty-two million, two hundred thousand, nine".