201221033123303 has 8 divisors (see below), whose sum is σ = 203456861807760. Its totient is φ = 198992291060160.

The previous prime is 201221033123293. The next prime is 201221033123333. The reversal of 201221033123303 is 303321330122102.

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 201221033123303 - 2²⁴ = 201221016346087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201221033123333) 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, 1771598225 + ... + 1771711802.

It is an arithmetic number, because the mean of its divisors is an integer number (25432107725970).

Almost surely, 2^{201221033123303} is an apocalyptic number.

201221033123303 is a deficient number, since it is larger than the sum of its proper divisors (2235828684457).

201221033123303 is a wasteful number, since it uses less digits than its factorization.

201221033123303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3543310657.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 201221033123303 its reverse (303321330122102), we get a palindrome (504542363245405).

The spelling of 201221033123303 in words is "two hundred one trillion, two hundred twenty-one billion, thirty-three million, one hundred twenty-three thousand, three hundred three".