221143344010 has 8 divisors (see below), whose sum is σ = 398058019236. Its totient is φ = 88457337600.

The previous prime is 221143343999. The next prime is 221143344013. The reversal of 221143344010 is 10443341122.

It can be written as a sum of positive squares in 2 ways, for example, as 216970571601 + 4172772409 = 465801^2 + 64597^2 .

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

It is not an unprimeable number, because it can be changed into a prime (221143344013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11057167191 + ... + 11057167210.

Almost surely, 2^221143344010 is an apocalyptic number.

221143344010 is a deficient number, since it is larger than the sum of its proper divisors (176914675226).

221143344010 is a wasteful number, since it uses less digits than its factorization.

221143344010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22114334408.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 221143344010 its reverse (10443341122), we get a palindrome (231586685132).

The spelling of 221143344010 in words is "two hundred twenty-one billion, one hundred forty-three million, three hundred forty-four thousand, ten".