30121330023101 has 2 divisors, whose sum is σ = 30121330023102. Its totient is φ = 30121330023100.

The previous prime is 30121330023077. The next prime is 30121330023137. The reversal of 30121330023101 is 10132003312103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22139857500601 + 7981472522500 = 4705301^2 + 2825150^2 .

It is a cyclic number.

It is not a de Polignac number, because 30121330023101 - 2³⁸ = 29846452116157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30121330023181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15060665011550 + 15060665011551.

It is an arithmetic number, because the mean of its divisors is an integer number (15060665011551).

Almost surely, 2^{30121330023101} is an apocalyptic number.

It is an amenable number.

30121330023101 is a deficient number, since it is larger than the sum of its proper divisors (1).

30121330023101 is an equidigital number, since it uses as much as digits as its factorization.

30121330023101 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30121330023101 its reverse (10132003312103), we get a palindrome (40253333335204).

The spelling of 30121330023101 in words is "thirty trillion, one hundred twenty-one billion, three hundred thirty million, twenty-three thousand, one hundred one".