30102123103321 has 2 divisors, whose sum is σ = 30102123103322. Its totient is φ = 30102123103320.

The previous prime is 30102123103313. The next prime is 30102123103337. The reversal of 30102123103321 is 12330132120103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15062161000000 + 15039962103321 = 3881000^2 + 3878139^2 .

It is a cyclic number.

It is not a de Polignac number, because 30102123103321 - 2³ = 30102123103313 is a prime.

It is a super-2 number, since 2×30102123103321² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 30102123103292 and 30102123103301.

It is not a weakly prime, because it can be changed into another prime (30102123103021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15051061551660 + 15051061551661.

It is an arithmetic number, because the mean of its divisors is an integer number (15051061551661).

Almost surely, 2^{30102123103321} is an apocalyptic number.

It is an amenable number.

30102123103321 is a deficient number, since it is larger than the sum of its proper divisors (1).

30102123103321 is an equidigital number, since it uses as much as digits as its factorization.

30102123103321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 30102123103321 its reverse (12330132120103), we get a palindrome (42432255223424).

The spelling of 30102123103321 in words is "thirty trillion, one hundred two billion, one hundred twenty-three million, one hundred three thousand, three hundred twenty-one".