101440200430181 has 2 divisors, whose sum is σ = 101440200430182. Its totient is φ = 101440200430180.

The previous prime is 101440200430139. The next prime is 101440200430307. The reversal of 101440200430181 is 181034002044101.

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., 101280895673281 + 159304756900 = 10063841^2 + 399130^2 .

It is a cyclic number.

It is not a de Polignac number, because 101440200430181 - 2³⁴ = 101423020560997 is a prime.

It is a super-2 number, since 2×101440200430181² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101440200430981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50720100215090 + 50720100215091.

It is an arithmetic number, because the mean of its divisors is an integer number (50720100215091).

Almost surely, 2^{101440200430181} is an apocalyptic number.

It is an amenable number.

101440200430181 is a deficient number, since it is larger than the sum of its proper divisors (1).

101440200430181 is an equidigital number, since it uses as much as digits as its factorization.

101440200430181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3072, while the sum is 29.

Adding to 101440200430181 its reverse (181034002044101), we get a palindrome (282474202474282).

The spelling of 101440200430181 in words is "one hundred one trillion, four hundred forty billion, two hundred million, four hundred thirty thousand, one hundred eighty-one".