30302113110221 has 2 divisors, whose sum is σ = 30302113110222. Its totient is φ = 30302113110220.

The previous prime is 30302113110149. The next prime is 30302113110257. The reversal of 30302113110221 is 12201131120303.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18042836354596 + 12259276755625 = 4247686^2 + 3501325^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30302113110221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30302113110193 and 30302113110202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30302110110221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15151056555110 + 15151056555111.

It is an arithmetic number, because the mean of its divisors is an integer number (15151056555111).

Almost surely, 2^{30302113110221} is an apocalyptic number.

It is an amenable number.

30302113110221 is a deficient number, since it is larger than the sum of its proper divisors (1).

30302113110221 is an equidigital number, since it uses as much as digits as its factorization.

30302113110221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 30302113110221 its reverse (12201131120303), we get a palindrome (42503244230524).

The spelling of 30302113110221 in words is "thirty trillion, three hundred two billion, one hundred thirteen million, one hundred ten thousand, two hundred twenty-one".