10120202001181 has 2 divisors, whose sum is σ = 10120202001182. Its totient is φ = 10120202001180.

The previous prime is 10120202001061. The next prime is 10120202001193. The reversal of 10120202001181 is 18110020202101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5770228536900 + 4349973464281 = 2402130^2 + 2085659^2 .

It is a cyclic number.

It is not a de Polignac number, because 10120202001181 - 2²¹ = 10120199904029 is a prime.

It is a super-2 number, since 2×10120202001181² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10120202001881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5060101000590 + 5060101000591.

It is an arithmetic number, because the mean of its divisors is an integer number (5060101000591).

Almost surely, 2^{10120202001181} is an apocalyptic number.

It is an amenable number.

10120202001181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10120202001181 is an equidigital number, since it uses as much as digits as its factorization.

10120202001181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 10120202001181 its reverse (18110020202101), we get a palindrome (28230222203282).

The spelling of 10120202001181 in words is "ten trillion, one hundred twenty billion, two hundred two million, one thousand, one hundred eighty-one".