221110250241 has 4 divisors (see below), whose sum is σ = 294813666992. Its totient is φ = 147406833492.

The previous prime is 221110250237. The next prime is 221110250293. The reversal of 221110250241 is 142052011122.

221110250241 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 221110250241 - 2² = 221110250237 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221110250341) 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 3 ways as a sum of consecutive naturals, for example, 36851708371 + ... + 36851708376.

It is an arithmetic number, because the mean of its divisors is an integer number (73703416748).

Almost surely, 2^221110250241 is an apocalyptic number.

It is an amenable number.

221110250241 is a deficient number, since it is larger than the sum of its proper divisors (73703416751).

221110250241 is an equidigital number, since it uses as much as digits as its factorization.

221110250241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73703416750.

The product of its (nonzero) digits is 320, while the sum is 21.

Adding to 221110250241 its reverse (142052011122), we get a palindrome (363162261363).

The spelling of 221110250241 in words is "two hundred twenty-one billion, one hundred ten million, two hundred fifty thousand, two hundred forty-one".