100001019193 has 2 divisors, whose sum is σ = 100001019194. Its totient is φ = 100001019192.

The previous prime is 100001019161. The next prime is 100001019253. The reversal of 100001019193 is 391910100001.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 96083260729 + 3917758464 = 309973^2 + 62592^2 .

It is a cyclic number.

It is not a de Polignac number, because 100001019193 - 2⁵ = 100001019161 is a prime.

It is not a weakly prime, because it can be changed into another prime (100001019133) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50000509596 + 50000509597.

It is an arithmetic number, because the mean of its divisors is an integer number (50000509597).

Almost surely, 2^100001019193 is an apocalyptic number.

It is an amenable number.

100001019193 is a deficient number, since it is larger than the sum of its proper divisors (1).

100001019193 is an equidigital number, since it uses as much as digits as its factorization.

100001019193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 243, while the sum is 25.

Adding to 100001019193 its reverse (391910100001), we get a palindrome (491911119194).

The spelling of 100001019193 in words is "one hundred billion, one million, nineteen thousand, one hundred ninety-three".