21214210032203 has 8 divisors (see below), whose sum is σ = 21731926179600. Its totient is φ = 20696507998720.

The previous prime is 21214210032173. The next prime is 21214210032221. The reversal of 21214210032203 is 30223001241212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21214210032203 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21214210032233) 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, 453350 + ... + 6529467.

It is an arithmetic number, because the mean of its divisors is an integer number (2716490772450).

Almost surely, 2^{21214210032203} is an apocalyptic number.

21214210032203 is a deficient number, since it is larger than the sum of its proper divisors (517716147397).

21214210032203 is an equidigital number, since it uses as much as digits as its factorization.

21214210032203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7056957.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 21214210032203 its reverse (30223001241212), we get a palindrome (51437211273415).

The spelling of 21214210032203 in words is "twenty-one trillion, two hundred fourteen billion, two hundred ten million, thirty-two thousand, two hundred three".