220221120241 has 4 divisors (see below), whose sum is σ = 220288738212. Its totient is φ = 220153502272.

The previous prime is 220221120233. The next prime is 220221120289. The reversal of 220221120241 is 142021122022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 149868862641 + 70352257600 = 387129^2 + 265240^2 .

It is a cyclic number.

It is not a de Polignac number, because 220221120241 - 2³ = 220221120233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (220221120211) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33804100 + ... + 33810613.

It is an arithmetic number, because the mean of its divisors is an integer number (55072184553).

Almost surely, 2^220221120241 is an apocalyptic number.

It is an amenable number.

220221120241 is a deficient number, since it is larger than the sum of its proper divisors (67617971).

220221120241 is an equidigital number, since it uses as much as digits as its factorization.

220221120241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67617970.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220221120241 its reverse (142021122022), we get a palindrome (362242242263).

The spelling of 220221120241 in words is "two hundred twenty billion, two hundred twenty-one million, one hundred twenty thousand, two hundred forty-one".