221210411241 has 12 divisors (see below), whose sum is σ = 308328565328. Its totient is φ = 141061710504.

The previous prime is 221210411239. The next prime is 221210411249. The reversal of 221210411241 is 142114012122.

It is not a de Polignac number, because 221210411241 - 2¹ = 221210411239 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221210411249) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 69692935 + ... + 69696108.

Almost surely, 2^221210411241 is an apocalyptic number.

It is an amenable number.

221210411241 is a deficient number, since it is larger than the sum of its proper divisors (87118154087).

221210411241 is a wasteful number, since it uses less digits than its factorization.

221210411241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139389092 (or 139389069 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 221210411241 its reverse (142114012122), we get a palindrome (363324423363).

The spelling of 221210411241 in words is "two hundred twenty-one billion, two hundred ten million, four hundred eleven thousand, two hundred forty-one".