10000100001191 has 2 divisors, whose sum is σ = 10000100001192. Its totient is φ = 10000100001190.

The previous prime is 10000100001187. The next prime is 10000100001209. The reversal of 10000100001191 is 19110000100001.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (19110000100001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10000100001191 - 2² = 10000100001187 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000100001491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000050000595 + 5000050000596.

It is an arithmetic number, because the mean of its divisors is an integer number (5000050000596).

Almost surely, 2^{10000100001191} is an apocalyptic number.

10000100001191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000100001191 is an equidigital number, since it uses as much as digits as its factorization.

10000100001191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9, while the sum is 14.

Adding to 10000100001191 its reverse (19110000100001), we get a palindrome (29110100101192).

It can be divided in two parts, 10000100001 and 191, that multiplied together give a palindrome (1910019100191).

The spelling of 10000100001191 in words is "ten trillion, one hundred million, one thousand, one hundred ninety-one".