100321342414021 has 2 divisors, whose sum is σ = 100321342414022. Its totient is φ = 100321342414020.

The previous prime is 100321342414019. The next prime is 100321342414031. The reversal of 100321342414021 is 120414243123001.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 90029468884996 + 10291873529025 = 9488386^2 + 3208095^2 .

It is an emirp because it is prime and its reverse (120414243123001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 100321342414021 - 2¹ = 100321342414019 is a prime.

Together with 100321342414019, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100321342414031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50160671207010 + 50160671207011.

It is an arithmetic number, because the mean of its divisors is an integer number (50160671207011).

Almost surely, 2^{100321342414021} is an apocalyptic number.

It is an amenable number.

100321342414021 is a deficient number, since it is larger than the sum of its proper divisors (1).

100321342414021 is an equidigital number, since it uses as much as digits as its factorization.

100321342414021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 100321342414021 its reverse (120414243123001), we get a palindrome (220735585537022).

The spelling of 100321342414021 in words is "one hundred trillion, three hundred twenty-one billion, three hundred forty-two million, four hundred fourteen thousand, twenty-one".