30010023202121 has 2 divisors, whose sum is σ = 30010023202122. Its totient is φ = 30010023202120.

The previous prime is 30010023202099. The next prime is 30010023202139. The reversal of 30010023202121 is 12120232001003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26884888684096 + 3125134518025 = 5185064^2 + 1767805^2 .

It is a cyclic number.

It is not a de Polignac number, because 30010023202121 - 2¹⁸ = 30010022939977 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 30010023202121.

It is not a weakly prime, because it can be changed into another prime (30010023207121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005011601060 + 15005011601061.

It is an arithmetic number, because the mean of its divisors is an integer number (15005011601061).

Almost surely, 2^{30010023202121} is an apocalyptic number.

It is an amenable number.

30010023202121 is a deficient number, since it is larger than the sum of its proper divisors (1).

30010023202121 is an equidigital number, since it uses as much as digits as its factorization.

30010023202121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 30010023202121 its reverse (12120232001003), we get a palindrome (42130255203124).

The spelling of 30010023202121 in words is "thirty trillion, ten billion, twenty-three million, two hundred two thousand, one hundred twenty-one".