221143004203 has 8 divisors (see below), whose sum is σ = 241284702960. Its totient is φ = 201007603680.

The previous prime is 221143004191. The next prime is 221143004239. The reversal of 221143004203 is 302400341122.

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 221143004203 - 2⁹ = 221143003691 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221143004293) 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, 1500988 + ... + 1641721.

It is an arithmetic number, because the mean of its divisors is an integer number (30160587870).

Almost surely, 2^221143004203 is an apocalyptic number.

221143004203 is a deficient number, since it is larger than the sum of its proper divisors (20141698757).

221143004203 is a wasteful number, since it uses less digits than its factorization.

221143004203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149117.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 221143004203 its reverse (302400341122), we get a palindrome (523543345325).

The spelling of 221143004203 in words is "two hundred twenty-one billion, one hundred forty-three million, four thousand, two hundred three".