201221330030 has 32 divisors (see below), whose sum is σ = 414056746944. Its totient is φ = 68970882816.

The previous prime is 201221330029. The next prime is 201221330039. The reversal of 201221330030 is 30033122102.

It is a junction number, because it is equal to n+sod(n) for n = 201221329990 and 201221330008.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201221330039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148517 + ... + 651536.

It is an arithmetic number, because the mean of its divisors is an integer number (12939273342).

Almost surely, 2^201221330030 is an apocalyptic number.

201221330030 is an abundant number, since it is smaller than the sum of its proper divisors (212835416914).

201221330030 is a wasteful number, since it uses less digits than its factorization.

201221330030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803660.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 201221330030 its reverse (30033122102), we get a palindrome (231254452132).

The spelling of 201221330030 in words is "two hundred one billion, two hundred twenty-one million, three hundred thirty thousand, thirty".