5041221216601 has 2 divisors, whose sum is σ = 5041221216602. Its totient is φ = 5041221216600.

The previous prime is 5041221216589. The next prime is 5041221216641. The reversal of 5041221216601 is 1066121221405.

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., 2650644486400 + 2390576730201 = 1628080^2 + 1546149^2 .

It is a cyclic number.

It is not a de Polignac number, because 5041221216601 - 2¹³ = 5041221208409 is a prime.

It is a super-2 number, since 2×5041221216601² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5041221216641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2520610608300 + 2520610608301.

It is an arithmetic number, because the mean of its divisors is an integer number (2520610608301).

Almost surely, 2^{5041221216601} is an apocalyptic number.

It is an amenable number.

5041221216601 is a deficient number, since it is larger than the sum of its proper divisors (1).

5041221216601 is an equidigital number, since it uses as much as digits as its factorization.

5041221216601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5760, while the sum is 31.

The spelling of 5041221216601 in words is "five trillion, forty-one billion, two hundred twenty-one million, two hundred sixteen thousand, six hundred one".