220103224321 has 2 divisors, whose sum is σ = 220103224322. Its totient is φ = 220103224320.

The previous prime is 220103224309. The next prime is 220103224339. The reversal of 220103224321 is 123422301022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125755344400 + 94347879921 = 354620^2 + 307161^2 .

It is a cyclic number.

It is not a de Polignac number, because 220103224321 - 2²⁵ = 220069669889 is a prime.

It is a super-2 number, since 2×220103224321² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 220103224292 and 220103224301.

It is not a weakly prime, because it can be changed into another prime (220103224421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110051612160 + 110051612161.

It is an arithmetic number, because the mean of its divisors is an integer number (110051612161).

Almost surely, 2^220103224321 is an apocalyptic number.

It is an amenable number.

220103224321 is a deficient number, since it is larger than the sum of its proper divisors (1).

220103224321 is an equidigital number, since it uses as much as digits as its factorization.

220103224321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 220103224321 its reverse (123422301022), we get a palindrome (343525525343).

The spelling of 220103224321 in words is "two hundred twenty billion, one hundred three million, two hundred twenty-four thousand, three hundred twenty-one".