100231001201857 has 2 divisors, whose sum is σ = 100231001201858. Its totient is φ = 100231001201856.

The previous prime is 100231001201843. The next prime is 100231001201867. The reversal of 100231001201857 is 758102100132001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92484554038321 + 7746447163536 = 9616889^2 + 2783244^2 .

It is a cyclic number.

It is not a de Polignac number, because 100231001201857 - 2⁷ = 100231001201729 is a prime.

It is not a weakly prime, because it can be changed into another prime (100231001201867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50115500600928 + 50115500600929.

It is an arithmetic number, because the mean of its divisors is an integer number (50115500600929).

Almost surely, 2^{100231001201857} is an apocalyptic number.

It is an amenable number.

100231001201857 is a deficient number, since it is larger than the sum of its proper divisors (1).

100231001201857 is an equidigital number, since it uses as much as digits as its factorization.

100231001201857 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3360, while the sum is 31.

Adding to 100231001201857 its reverse (758102100132001), we get a palindrome (858333101333858).

The spelling of 100231001201857 in words is "one hundred trillion, two hundred thirty-one billion, one million, two hundred one thousand, eight hundred fifty-seven".