221443241001 has 8 divisors (see below), whose sum is σ = 295303835904. Its totient is φ = 147605736720.

The previous prime is 221443240919. The next prime is 221443241011. The reversal of 221443241001 is 100142344122.

221443241001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 221443241001 - 2⁹ = 221443240489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221443241011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5750265 + ... + 5788646.

It is an arithmetic number, because the mean of its divisors is an integer number (36912979488).

Almost surely, 2^221443241001 is an apocalyptic number.

It is an amenable number.

221443241001 is a deficient number, since it is larger than the sum of its proper divisors (73860594903).

221443241001 is a wasteful number, since it uses less digits than its factorization.

221443241001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11545311.

The product of its (nonzero) digits is 1536, while the sum is 24.

Adding to 221443241001 its reverse (100142344122), we get a palindrome (321585585123).

The spelling of 221443241001 in words is "two hundred twenty-one billion, four hundred forty-three million, two hundred forty-one thousand, one".