201221200003 has 8 divisors (see below), whose sum is σ = 201632256000. Its totient is φ = 200810335368.

The previous prime is 201221199979. The next prime is 201221200051. The reversal of 201221200003 is 300002122102.

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 201221200003 - 2³⁷ = 63782246531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (201221200073) 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, 2160798 + ... + 2251996.

It is an arithmetic number, because the mean of its divisors is an integer number (25204032000).

Almost surely, 2^201221200003 is an apocalyptic number.

201221200003 is a deficient number, since it is larger than the sum of its proper divisors (411055997).

201221200003 is an equidigital number, since it uses as much as digits as its factorization.

201221200003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95681.

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 201221200003 its reverse (300002122102), we get a palindrome (501223322105).

The spelling of 201221200003 in words is "two hundred one billion, two hundred twenty-one million, two hundred thousand, three".