221213101323 has 8 divisors (see below), whose sum is σ = 295514763328. Its totient is φ = 147193420104.

The previous prime is 221213101313. The next prime is 221213101327. The reversal of 221213101323 is 323101312122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 221213101323 - 2¹³ = 221213093131 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 221213101323.

It is not an unprimeable number, because it can be changed into a prime (221213101327) 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, 70493365 + ... + 70496502.

It is an arithmetic number, because the mean of its divisors is an integer number (36939345416).

Almost surely, 2^221213101323 is an apocalyptic number.

221213101323 is a deficient number, since it is larger than the sum of its proper divisors (74301662005).

221213101323 is a wasteful number, since it uses less digits than its factorization.

221213101323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140990393.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 221213101323 its reverse (323101312122), we get a palindrome (544314413445).

The spelling of 221213101323 in words is "two hundred twenty-one billion, two hundred thirteen million, one hundred one thousand, three hundred twenty-three".