220301013221 has 8 divisors (see below), whose sum is σ = 220471085688. Its totient is φ = 220131000000.

The previous prime is 220301013203. The next prime is 220301013277. The reversal of 220301013221 is 122310103022.

It can be written as a sum of positive squares in 4 ways, for example, as 56316510721 + 163984502500 = 237311^2 + 404950^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 220301013221 - 2³⁰ = 219227271397 is a prime.

It is a super-3 number, since 3×220301013221³ (a number of 35 digits) contains 333 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 220301013221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (220301013421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9779471 + ... + 9801971.

It is an arithmetic number, because the mean of its divisors is an integer number (27558885711).

Almost surely, 2^220301013221 is an apocalyptic number.

It is an amenable number.

220301013221 is a deficient number, since it is larger than the sum of its proper divisors (170072467).

220301013221 is a wasteful number, since it uses less digits than its factorization.

220301013221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29623.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 220301013221 its reverse (122310103022), we get a palindrome (342611116243).

The spelling of 220301013221 in words is "two hundred twenty billion, three hundred one million, thirteen thousand, two hundred twenty-one".