221130213303 has 16 divisors (see below), whose sum is σ = 299952604800. Its totient is φ = 144865899360.

The previous prime is 221130213229. The next prime is 221130213307. The reversal of 221130213303 is 303312031122.

It is not a de Polignac number, because 221130213303 - 2¹⁰ = 221130212279 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 221130213303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221130213307) 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, 225588 + ... + 702246.

It is an arithmetic number, because the mean of its divisors is an integer number (18747037800).

Almost surely, 2^221130213303 is an apocalyptic number.

221130213303 is a deficient number, since it is larger than the sum of its proper divisors (78822391497).

221130213303 is a wasteful number, since it uses less digits than its factorization.

221130213303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479342.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 221130213303 its reverse (303312031122), we get a palindrome (524442244425).

The spelling of 221130213303 in words is "two hundred twenty-one billion, one hundred thirty million, two hundred thirteen thousand, three hundred three".