401130313141021 has 2 divisors, whose sum is σ = 401130313141022. Its totient is φ = 401130313141020.

The previous prime is 401130313140979. The next prime is 401130313141039. The reversal of 401130313141021 is 120141313031104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 332822154375396 + 68308158765625 = 18243414^2 + 8264875^2 .

It is a cyclic number.

It is not a de Polignac number, because 401130313141021 - 2¹⁷ = 401130313009949 is a prime.

It is a super-2 number, since 2×401130313141021² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (401130313141121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200565156570510 + 200565156570511.

It is an arithmetic number, because the mean of its divisors is an integer number (200565156570511).

Almost surely, 2^{401130313141021} is an apocalyptic number.

It is an amenable number.

401130313141021 is a deficient number, since it is larger than the sum of its proper divisors (1).

401130313141021 is an equidigital number, since it uses as much as digits as its factorization.

401130313141021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 401130313141021 its reverse (120141313031104), we get a palindrome (521271626172125).

The spelling of 401130313141021 in words is "four hundred one trillion, one hundred thirty billion, three hundred thirteen million, one hundred forty-one thousand, twenty-one".