30121163235601 has 2 divisors, whose sum is σ = 30121163235602. Its totient is φ = 30121163235600.

The previous prime is 30121163235587. The next prime is 30121163235613. The reversal of 30121163235601 is 10653236112103.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23305142451600 + 6816020784001 = 4827540^2 + 2610751^2 .

It is a cyclic number.

It is not a de Polignac number, because 30121163235601 - 2²⁵ = 30121129681169 is a prime.

It is not a weakly prime, because it can be changed into another prime (30121163235661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060581617800 + 15060581617801.

It is an arithmetic number, because the mean of its divisors is an integer number (15060581617801).

Almost surely, 2^{30121163235601} is an apocalyptic number.

It is an amenable number.

30121163235601 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121163235601 is an equidigital number, since it uses as much as digits as its factorization.

30121163235601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 34.

Adding to 30121163235601 its reverse (10653236112103), we get a palindrome (40774399347704).

The spelling of 30121163235601 in words is "thirty trillion, one hundred twenty-one billion, one hundred sixty-three million, two hundred thirty-five thousand, six hundred one".