30121106365699 has 2 divisors, whose sum is σ = 30121106365700. Its totient is φ = 30121106365698.

The previous prime is 30121106365697. The next prime is 30121106365703. The reversal of 30121106365699 is 99656360112103.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 30121106365699 - 2¹ = 30121106365697 is a prime.

Together with 30121106365697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30121106365697) 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 as a sum of consecutive naturals, namely, 15060553182849 + 15060553182850.

It is an arithmetic number, because the mean of its divisors is an integer number (15060553182850).

Almost surely, 2^{30121106365699} is an apocalyptic number.

30121106365699 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121106365699 is an equidigital number, since it uses as much as digits as its factorization.

30121106365699 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1574640, while the sum is 52.

The spelling of 30121106365699 in words is "thirty trillion, one hundred twenty-one billion, one hundred six million, three hundred sixty-five thousand, six hundred ninety-nine".