100011100847857 has 2 divisors, whose sum is σ = 100011100847858. Its totient is φ = 100011100847856.

The previous prime is 100011100847839. The next prime is 100011100847863. The reversal of 100011100847857 is 758748001110001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52600728948496 + 47410371899361 = 7252636^2 + 6885519^2 .

It is a cyclic number.

It is not a de Polignac number, because 100011100847857 - 2¹¹ = 100011100845809 is a prime.

It is a super-2 number, since 2×100011100847857² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (100011100847837) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50005550423928 + 50005550423929.

It is an arithmetic number, because the mean of its divisors is an integer number (50005550423929).

Almost surely, 2^{100011100847857} is an apocalyptic number.

It is an amenable number.

100011100847857 is a deficient number, since it is larger than the sum of its proper divisors (1).

100011100847857 is an equidigital number, since it uses as much as digits as its factorization.

100011100847857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 62720, while the sum is 43.

Adding to 100011100847857 its reverse (758748001110001), we get a palindrome (858759101957858).

The spelling of 100011100847857 in words is "one hundred trillion, eleven billion, one hundred million, eight hundred forty-seven thousand, eight hundred fifty-seven".