10163100421 has 2 divisors, whose sum is σ = 10163100422. Its totient is φ = 10163100420.

The previous prime is 10163100397. The next prime is 10163100427. The reversal of 10163100421 is 12400136101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5800497921 + 4362602500 = 76161^2 + 66050^2 .

It is a cyclic number.

It is not a de Polignac number, because 10163100421 - 2¹⁹ = 10162576133 is a prime.

It is a super-2 number, since 2×10163100421² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10163100427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5081550210 + 5081550211.

It is an arithmetic number, because the mean of its divisors is an integer number (5081550211).

Almost surely, 2^10163100421 is an apocalyptic number.

It is an amenable number.

10163100421 is a deficient number, since it is larger than the sum of its proper divisors (1).

10163100421 is an equidigital number, since it uses as much as digits as its factorization.

10163100421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 10163100421 its reverse (12400136101), we get a palindrome (22563236522).

The spelling of 10163100421 in words is "ten billion, one hundred sixty-three million, one hundred thousand, four hundred twenty-one".