220030102321 has 2 divisors, whose sum is σ = 220030102322. Its totient is φ = 220030102320.

The previous prime is 220030102309. The next prime is 220030102337. The reversal of 220030102321 is 123201030022.

It is an a-pointer prime, because the next prime (220030102337) can be obtained adding 220030102321 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 211397648400 + 8632453921 = 459780^2 + 92911^2 .

It is a cyclic number.

It is not a de Polignac number, because 220030102321 - 2¹³ = 220030094129 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 220030102295 and 220030102304.

It is not a weakly prime, because it can be changed into another prime (220030102921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110015051160 + 110015051161.

It is an arithmetic number, because the mean of its divisors is an integer number (110015051161).

Almost surely, 2^220030102321 is an apocalyptic number.

It is an amenable number.

220030102321 is a deficient number, since it is larger than the sum of its proper divisors (1).

220030102321 is an equidigital number, since it uses as much as digits as its factorization.

220030102321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 220030102321 its reverse (123201030022), we get a palindrome (343231132343).

The spelling of 220030102321 in words is "two hundred twenty billion, thirty million, one hundred two thousand, three hundred twenty-one".