30023121121211 has 2 divisors, whose sum is σ = 30023121121212. Its totient is φ = 30023121121210.

The previous prime is 30023121121163. The next prime is 30023121121237. The reversal of 30023121121211 is 11212112132003.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30023121121211 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (30023121121291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011560560605 + 15011560560606.

It is an arithmetic number, because the mean of its divisors is an integer number (15011560560606).

Almost surely, 2^{30023121121211} is an apocalyptic number.

30023121121211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30023121121211 is an equidigital number, since it uses as much as digits as its factorization.

30023121121211 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 20.

Adding to 30023121121211 its reverse (11212112132003), we get a palindrome (41235233253214).

The spelling of 30023121121211 in words is "thirty trillion, twenty-three billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred eleven".