220132301221 has 4 divisors (see below), whose sum is σ = 251579772832. Its totient is φ = 188684829612.

The previous prime is 220132301219. The next prime is 220132301239. The reversal of 220132301221 is 122103231022.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122103231022 = 2 ⋅61051615511.

It is a cyclic number.

It is not a de Polignac number, because 220132301221 - 2¹ = 220132301219 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220132301621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15723735795 + ... + 15723735808.

It is an arithmetic number, because the mean of its divisors is an integer number (62894943208).

Almost surely, 2^220132301221 is an apocalyptic number.

It is an amenable number.

220132301221 is a deficient number, since it is larger than the sum of its proper divisors (31447471611).

220132301221 is an equidigital number, since it uses as much as digits as its factorization.

220132301221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31447471610.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 220132301221 its reverse (122103231022), we get a palindrome (342235532243).

The spelling of 220132301221 in words is "two hundred twenty billion, one hundred thirty-two million, three hundred one thousand, two hundred twenty-one".