100411023521 has 2 divisors, whose sum is σ = 100411023522. Its totient is φ = 100411023520.

The previous prime is 100411023469. The next prime is 100411023541. The reversal of 100411023521 is 125320114001.

It is an a-pointer prime, because the next prime (100411023541) can be obtained adding 100411023521 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 74330388496 + 26080635025 = 272636^2 + 161495^2 .

It is an emirp because it is prime and its reverse (125320114001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100411023521 - 2³⁰ = 99337281697 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 100411023493 and 100411023502.

It is not a weakly prime, because it can be changed into another prime (100411023541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50205511760 + 50205511761.

It is an arithmetic number, because the mean of its divisors is an integer number (50205511761).

Almost surely, 2^100411023521 is an apocalyptic number.

It is an amenable number.

100411023521 is a deficient number, since it is larger than the sum of its proper divisors (1).

100411023521 is an equidigital number, since it uses as much as digits as its factorization.

100411023521 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 100411023521 its reverse (125320114001), we get a palindrome (225731137522).

The spelling of 100411023521 in words is "one hundred billion, four hundred eleven million, twenty-three thousand, five hundred twenty-one".