220321233103321 has 16 divisors (see below), whose sum is σ = 265051489500160. Its totient is φ = 178905179552400.

The previous prime is 220321233103273. The next prime is 220321233103343. The reversal of 220321233103321 is 123301332123022.

It is a happy number.

It is not a de Polignac number, because 220321233103321 - 2¹⁷ = 220321232972249 is a prime.

It is a super-2 number, since 2×220321233103321² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 220321233103321.

It is not an unprimeable number, because it can be changed into a prime (220321233103921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114255 + ... + 20991796.

It is an arithmetic number, because the mean of its divisors is an integer number (16565718093760).

Almost surely, 2^{220321233103321} is an apocalyptic number.

It is an amenable number.

220321233103321 is a deficient number, since it is larger than the sum of its proper divisors (44730256396839).

220321233103321 is a wasteful number, since it uses less digits than its factorization.

220321233103321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21184564.

The product of its (nonzero) digits is 7776, while the sum is 28.

Adding to 220321233103321 its reverse (123301332123022), we get a palindrome (343622565226343).

The spelling of 220321233103321 in words is "two hundred twenty trillion, three hundred twenty-one billion, two hundred thirty-three million, one hundred three thousand, three hundred twenty-one".