30211111111169 has 2 divisors, whose sum is σ = 30211111111170. Its totient is φ = 30211111111168.

The previous prime is 30211111111079. The next prime is 30211111111171. The reversal of 30211111111169 is 96111111111203.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19093954733569 + 11117156377600 = 4369663^2 + 3334240^2 .

It is a cyclic number.

It is not a de Polignac number, because 30211111111169 - 2⁸ = 30211111110913 is a prime.

It is a super-2 number, since 2×30211111111169² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 30211111111171, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (30211111111189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105555555584 + 15105555555585.

It is an arithmetic number, because the mean of its divisors is an integer number (15105555555585).

Almost surely, 2^{30211111111169} is an apocalyptic number.

It is an amenable number.

30211111111169 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211111111169 is an equidigital number, since it uses as much as digits as its factorization.

30211111111169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 29.

The spelling of 30211111111169 in words is "thirty trillion, two hundred eleven billion, one hundred eleven million, one hundred eleven thousand, one hundred sixty-nine".