10320211123181 has 2 divisors, whose sum is σ = 10320211123182. Its totient is φ = 10320211123180.

The previous prime is 10320211123151. The next prime is 10320211123247. The reversal of 10320211123181 is 18132111202301.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9274978885225 + 1045232237956 = 3045485^2 + 1022366^2 .

It is an emirp because it is prime and its reverse (18132111202301) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10320211123181 is a prime.

It is a super-2 number, since 2×10320211123181² (a number of 27 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10320211123181.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10320211123141) 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, 5160105561590 + 5160105561591.

It is an arithmetic number, because the mean of its divisors is an integer number (5160105561591).

Almost surely, 2^{10320211123181} is an apocalyptic number.

It is an amenable number.

10320211123181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10320211123181 is an equidigital number, since it uses as much as digits as its factorization.

10320211123181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

Adding to 10320211123181 its reverse (18132111202301), we get a palindrome (28452322325482).

The spelling of 10320211123181 in words is "ten trillion, three hundred twenty billion, two hundred eleven million, one hundred twenty-three thousand, one hundred eighty-one".