41203143636121 has 2 divisors, whose sum is σ = 41203143636122. Its totient is φ = 41203143636120.

The previous prime is 41203143636101. The next prime is 41203143636139. The reversal of 41203143636121 is 12163634130214.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 38242610451721 + 2960533184400 = 6184061^2 + 1720620^2 .

It is a cyclic number.

It is not a de Polignac number, because 41203143636121 - 2¹¹ = 41203143634073 is a prime.

It is a super-2 number, since 2×41203143636121² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (41203143636101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20601571818060 + 20601571818061.

It is an arithmetic number, because the mean of its divisors is an integer number (20601571818061).

Almost surely, 2^{41203143636121} is an apocalyptic number.

It is an amenable number.

41203143636121 is a deficient number, since it is larger than the sum of its proper divisors (1).

41203143636121 is an equidigital number, since it uses as much as digits as its factorization.

41203143636121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62208, while the sum is 37.

Adding to 41203143636121 its reverse (12163634130214), we get a palindrome (53366777766335).

The spelling of 41203143636121 in words is "forty-one trillion, two hundred three billion, one hundred forty-three million, six hundred thirty-six thousand, one hundred twenty-one".