10000110100991 has 2 divisors, whose sum is σ = 10000110100992. Its totient is φ = 10000110100990.

The previous prime is 10000110100963. The next prime is 10000110101021. The reversal of 10000110100991 is 19900101100001.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10000110100991 - 2¹⁴ = 10000110084607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000110100091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5000055050495 + 5000055050496.

It is an arithmetic number, because the mean of its divisors is an integer number (5000055050496).

Almost surely, 2^{10000110100991} is an apocalyptic number.

10000110100991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000110100991 is an equidigital number, since it uses as much as digits as its factorization.

10000110100991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81, while the sum is 23.

Adding to 10000110100991 its reverse (19900101100001), we get a palindrome (29900211200992).

The spelling of 10000110100991 in words is "ten trillion, one hundred ten million, one hundred thousand, nine hundred ninety-one".