221210012203 has 8 divisors (see below), whose sum is σ = 234226483488. Its totient is φ = 208193998464.

The previous prime is 221210012171. The next prime is 221210012251. The reversal of 221210012203 is 302210012122.

It is a happy number.

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

It is not a de Polignac number, because 221210012203 - 2⁵ = 221210012171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221210012263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1740850 + ... + 1863592.

It is an arithmetic number, because the mean of its divisors is an integer number (29278310436).

Almost surely, 2^221210012203 is an apocalyptic number.

221210012203 is a deficient number, since it is larger than the sum of its proper divisors (13016471285).

221210012203 is a wasteful number, since it uses less digits than its factorization.

221210012203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228773.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 221210012203 its reverse (302210012122), we get a palindrome (523420024325).

The spelling of 221210012203 in words is "two hundred twenty-one billion, two hundred ten million, twelve thousand, two hundred three".