221303330223121 has 8 divisors (see below), whose sum is σ = 222630571747584. Its totient is φ = 219978148036080.

The previous prime is 221303330222987. The next prime is 221303330223191. The reversal of 221303330223121 is 121322033303122.

It is a happy number.

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 221303330223121 - 2¹³ = 221303330214929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 221303330223121.

It is not an unprimeable number, because it can be changed into a prime (221303330223191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 514618785 + ... + 515048638.

It is an arithmetic number, because the mean of its divisors is an integer number (27828821468448).

Almost surely, 2^{221303330223121} is an apocalyptic number.

It is an amenable number.

221303330223121 is a deficient number, since it is larger than the sum of its proper divisors (1327241524463).

221303330223121 is a wasteful number, since it uses less digits than its factorization.

221303330223121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029668711.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 221303330223121 its reverse (121322033303122), we get a palindrome (342625363526243).

The spelling of 221303330223121 in words is "two hundred twenty-one trillion, three hundred three billion, three hundred thirty million, two hundred twenty-three thousand, one hundred twenty-one".