221222211241 has 16 divisors (see below), whose sum is σ = 228804206400. Its totient is φ = 213753028608.

The previous prime is 221222211227. The next prime is 221222211269. The reversal of 221222211241 is 142112222122.

It is a cyclic number.

It is not a de Polignac number, because 221222211241 - 2⁵ = 221222211209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221222211211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10245705 + ... + 10267273.

It is an arithmetic number, because the mean of its divisors is an integer number (14300262900).

Almost surely, 2^221222211241 is an apocalyptic number.

It is an amenable number.

221222211241 is a deficient number, since it is larger than the sum of its proper divisors (7581995159).

221222211241 is a wasteful number, since it uses less digits than its factorization.

221222211241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24168.

The product of its digits is 512, while the sum is 22.

Adding to 221222211241 its reverse (142112222122), we get a palindrome (363334433363).

The spelling of 221222211241 in words is "two hundred twenty-one billion, two hundred twenty-two million, two hundred eleven thousand, two hundred forty-one".