210222421441 has 4 divisors (see below), whose sum is σ = 211512129712. Its totient is φ = 208932713172.

The previous prime is 210222421397. The next prime is 210222421457. The reversal of 210222421441 is 144124222012.

210222421441 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 a cyclic number.

It is not a de Polignac number, because 210222421441 - 2⁹ = 210222420929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210222421471) 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, 644853891 + ... + 644854216.

It is an arithmetic number, because the mean of its divisors is an integer number (52878032428).

Almost surely, 2^210222421441 is an apocalyptic number.

It is an amenable number.

210222421441 is a deficient number, since it is larger than the sum of its proper divisors (1289708271).

210222421441 is a wasteful number, since it uses less digits than its factorization.

210222421441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289708270.

The product of its (nonzero) digits is 2048, while the sum is 25.

Adding to 210222421441 its reverse (144124222012), we get a palindrome (354346643453).

The spelling of 210222421441 in words is "two hundred ten billion, two hundred twenty-two million, four hundred twenty-one thousand, four hundred forty-one".