30211231121069 has 2 divisors, whose sum is σ = 30211231121070. Its totient is φ = 30211231121068.

The previous prime is 30211231121063. The next prime is 30211231121077. The reversal of 30211231121069 is 96012113211203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25984251375625 + 4226979745444 = 5097475^2 + 2055962^2 .

It is a cyclic number.

It is not a de Polignac number, because 30211231121069 - 2⁴⁴ = 12619045076653 is a prime.

It is a super-2 number, since 2×30211231121069² (a number of 28 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30211231121063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15105615560534 + 15105615560535.

It is an arithmetic number, because the mean of its divisors is an integer number (15105615560535).

Almost surely, 2^{30211231121069} is an apocalyptic number.

It is an amenable number.

30211231121069 is a deficient number, since it is larger than the sum of its proper divisors (1).

30211231121069 is an equidigital number, since it uses as much as digits as its factorization.

30211231121069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 32.

The spelling of 30211231121069 in words is "thirty trillion, two hundred eleven billion, two hundred thirty-one million, one hundred twenty-one thousand, sixty-nine".