100243034440201 has 2 divisors, whose sum is σ = 100243034440202. Its totient is φ = 100243034440200.

The previous prime is 100243034440177. The next prime is 100243034440229. The reversal of 100243034440201 is 102044430342001.

It is an a-pointer prime, because the next prime (100243034440229) can be obtained adding 100243034440201 to its sum of digits (28).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 91314747015625 + 8928287424576 = 9555875^2 + 2988024^2 .

It is a cyclic number.

It is not a de Polignac number, because 100243034440201 - 2⁵ = 100243034440169 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 100243034440201.

It is not a weakly prime, because it can be changed into another prime (100243034440001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50121517220100 + 50121517220101.

It is an arithmetic number, because the mean of its divisors is an integer number (50121517220101).

Almost surely, 2^{100243034440201} is an apocalyptic number.

It is an amenable number.

100243034440201 is a deficient number, since it is larger than the sum of its proper divisors (1).

100243034440201 is an equidigital number, since it uses as much as digits as its factorization.

100243034440201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 100243034440201 its reverse (102044430342001), we get a palindrome (202287464782202).

The spelling of 100243034440201 in words is "one hundred trillion, two hundred forty-three billion, thirty-four million, four hundred forty thousand, two hundred one".