221303003213 has 8 divisors (see below), whose sum is σ = 227291616768. Its totient is φ = 215314781904.

The previous prime is 221303003191. The next prime is 221303003219. The reversal of 221303003213 is 312300303122.

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 221303003213 - 2⁶ = 221303003149 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 (221303003219) 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, 1318820 + ... + 1477122.

It is an arithmetic number, because the mean of its divisors is an integer number (28411452096).

Almost surely, 2^221303003213 is an apocalyptic number.

It is an amenable number.

221303003213 is a deficient number, since it is larger than the sum of its proper divisors (5988613555).

221303003213 is a wasteful number, since it uses less digits than its factorization.

221303003213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196123.

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

Adding to 221303003213 its reverse (312300303122), we get a palindrome (533603306335).

The spelling of 221303003213 in words is "two hundred twenty-one billion, three hundred three million, three thousand, two hundred thirteen".