30010223323921 has 2 divisors, whose sum is σ = 30010223323922. Its totient is φ = 30010223323920.

The previous prime is 30010223323903. The next prime is 30010223323961. The reversal of 30010223323921 is 12932332201003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23917772736400 + 6092450587521 = 4890580^2 + 2468289^2 .

It is a cyclic number.

It is not a de Polignac number, because 30010223323921 - 2²³ = 30010214935313 is a prime.

It is a super-2 number, since 2×30010223323921² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30010223323961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15005111661960 + 15005111661961.

It is an arithmetic number, because the mean of its divisors is an integer number (15005111661961).

Almost surely, 2^{30010223323921} is an apocalyptic number.

It is an amenable number.

30010223323921 is a deficient number, since it is larger than the sum of its proper divisors (1).

30010223323921 is an equidigital number, since it uses as much as digits as its factorization.

30010223323921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 31.

Adding to 30010223323921 its reverse (12932332201003), we get a palindrome (42942555524924).

The spelling of 30010223323921 in words is "thirty trillion, ten billion, two hundred twenty-three million, three hundred twenty-three thousand, nine hundred twenty-one".