100001021441 has 2 divisors, whose sum is σ = 100001021442. Its totient is φ = 100001021440.

The previous prime is 100001021377. The next prime is 100001021443. The reversal of 100001021441 is 144120100001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 99811133041 + 189888400 = 315929^2 + 13780^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001021441 - 2⁶ = 100001021377 is a prime.

It is a Sophie Germain prime.

Together with 100001021443, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (100001021443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000510720 + 50000510721.

It is an arithmetic number, because the mean of its divisors is an integer number (50000510721).

Almost surely, 2^100001021441 is an apocalyptic number.

It is an amenable number.

100001021441 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001021441 is an equidigital number, since it uses as much as digits as its factorization.

100001021441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 100001021441 its reverse (144120100001), we get a palindrome (244121121442).

The spelling of 100001021441 in words is "one hundred billion, one million, twenty-one thousand, four hundred forty-one".