201041123281 has 2 divisors, whose sum is σ = 201041123282. Its totient is φ = 201041123280.

The previous prime is 201041123263. The next prime is 201041123329. The reversal of 201041123281 is 182321140102.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 199884103056 + 1157020225 = 447084^2 + 34015^2 .

It is a cyclic number.

It is not a de Polignac number, because 201041123281 - 2⁵ = 201041123249 is a prime.

It is a super-2 number, since 2×201041123281² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (201041126281) 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, 100520561640 + 100520561641.

It is an arithmetic number, because the mean of its divisors is an integer number (100520561641).

Almost surely, 2^201041123281 is an apocalyptic number.

It is an amenable number.

201041123281 is a deficient number, since it is larger than the sum of its proper divisors (1).

201041123281 is an equidigital number, since it uses as much as digits as its factorization.

201041123281 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 768, while the sum is 25.

Adding to 201041123281 its reverse (182321140102), we get a palindrome (383362263383).

The spelling of 201041123281 in words is "two hundred one billion, forty-one million, one hundred twenty-three thousand, two hundred eighty-one".