30112222321081 has 2 divisors, whose sum is σ = 30112222321082. Its totient is φ = 30112222321080.

The previous prime is 30112222321043. The next prime is 30112222321169. The reversal of 30112222321081 is 18012322221103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29853055802025 + 259166519056 = 5463795^2 + 509084^2 .

It is a cyclic number.

It is not a de Polignac number, because 30112222321081 - 2⁷ = 30112222320953 is a prime.

It is a super-2 number, since 2×30112222321081² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30112222321381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15056111160540 + 15056111160541.

It is an arithmetic number, because the mean of its divisors is an integer number (15056111160541).

Almost surely, 2^{30112222321081} is an apocalyptic number.

It is an amenable number.

30112222321081 is a deficient number, since it is larger than the sum of its proper divisors (1).

30112222321081 is an equidigital number, since it uses as much as digits as its factorization.

30112222321081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

Adding to 30112222321081 its reverse (18012322221103), we get a palindrome (48124544542184).

The spelling of 30112222321081 in words is "thirty trillion, one hundred twelve billion, two hundred twenty-two million, three hundred twenty-one thousand, eighty-one".