10105241021 has 2 divisors, whose sum is σ = 10105241022. Its totient is φ = 10105241020.

The previous prime is 10105240967. The next prime is 10105241039. The reversal of 10105241021 is 12014250101.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8885136121 + 1220104900 = 94261^2 + 34930^2 .

It is a cyclic number.

It is not a de Polignac number, because 10105241021 - 2²² = 10101046717 is a prime.

It is a super-2 number, since 2×10105241021² (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 (10105241221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5052620510 + 5052620511.

It is an arithmetic number, because the mean of its divisors is an integer number (5052620511).

Almost surely, 2^10105241021 is an apocalyptic number.

It is an amenable number.

10105241021 is a deficient number, since it is larger than the sum of its proper divisors (1).

10105241021 is an equidigital number, since it uses as much as digits as its factorization.

10105241021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 80, while the sum is 17.

Adding to 10105241021 its reverse (12014250101), we get a palindrome (22119491122).

The spelling of 10105241021 in words is "ten billion, one hundred five million, two hundred forty-one thousand, twenty-one".