30111211211 has 2 divisors, whose sum is σ = 30111211212. Its totient is φ = 30111211210.

The previous prime is 30111211159. The next prime is 30111211213. The reversal of 30111211211 is 11211211103.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 30111211211 - 2¹⁰ = 30111210187 is a prime.

Together with 30111211213, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (30111211213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15055605605 + 15055605606.

It is an arithmetic number, because the mean of its divisors is an integer number (15055605606).

Almost surely, 2^30111211211 is an apocalyptic number.

30111211211 is a deficient number, since it is larger than the sum of its proper divisors (1).

30111211211 is an equidigital number, since it uses as much as digits as its factorization.

30111211211 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 30111211211 its reverse (11211211103), we get a palindrome (41322422314).

The spelling of 30111211211 in words is "thirty billion, one hundred eleven million, two hundred eleven thousand, two hundred eleven".