10201181 has 2 divisors, whose sum is σ = 10201182. Its totient is φ = 10201180.

The previous prime is 10201171. The next prime is 10201183. The reversal of 10201181 is 18110201.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7425625 + 2775556 = 2725^2 + 1666^2 .

It is an emirp because it is prime and its reverse (18110201) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10201181 is a prime.

It is a super-2 number, since 2×10201181² = 208128187589522, which contains 22 as substring.

Together with 10201183, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10201183) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5100590 + 5100591.

It is an arithmetic number, because the mean of its divisors is an integer number (5100591).

Almost surely, 2^10201181 is an apocalyptic number.

It is an amenable number.

10201181 is a deficient number, since it is larger than the sum of its proper divisors (1).

10201181 is an equidigital number, since it uses as much as digits as its factorization.

10201181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 10201181 is about 3193.9287719046. The cubic root of 10201181 is about 216.8786582612.

Adding to 10201181 its reverse (18110201), we get a palindrome (28311382).

The spelling of 10201181 in words is "ten million, two hundred one thousand, one hundred eighty-one".