221331230003 has 16 divisors (see below), whose sum is σ = 244342713216. Its totient is φ = 199181928960.

The previous prime is 221331229997. The next prime is 221331230027. The reversal of 221331230003 is 300032133122.

221331230003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 221331230003 - 2²⁶ = 221264121139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221331238003) 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 15 ways as a sum of consecutive naturals, for example, 612551 + ... + 904367.

It is an arithmetic number, because the mean of its divisors is an integer number (15271419576).

Almost surely, 2^221331230003 is an apocalyptic number.

221331230003 is a deficient number, since it is larger than the sum of its proper divisors (23011483213).

221331230003 is a wasteful number, since it uses less digits than its factorization.

221331230003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293294.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 221331230003 its reverse (300032133122), we get a palindrome (521363363125).

The spelling of 221331230003 in words is "two hundred twenty-one billion, three hundred thirty-one million, two hundred thirty thousand, three".