221133110143 has 8 divisors (see below), whose sum is σ = 243946639440. Its totient is φ = 198771334080.

The previous prime is 221133110071. The next prime is 221133110161. The reversal of 221133110143 is 341011331122.

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

It is a de Polignac number, because none of the positive numbers 2^k-221133110143 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 (221133110183) 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, 112937280 + ... + 112939237.

It is an arithmetic number, because the mean of its divisors is an integer number (30493329930).

Almost surely, 2^221133110143 is an apocalyptic number.

221133110143 is a deficient number, since it is larger than the sum of its proper divisors (22813529297).

221133110143 is a wasteful number, since it uses less digits than its factorization.

221133110143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 225876617.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 221133110143 its reverse (341011331122), we get a palindrome (562144441265).

The spelling of 221133110143 in words is "two hundred twenty-one billion, one hundred thirty-three million, one hundred ten thousand, one hundred forty-three".