10010109999991 has 2 divisors, whose sum is σ = 10010109999992. Its totient is φ = 10010109999990.

The previous prime is 10010109999977. The next prime is 10010109999997. The reversal of 10010109999991 is 19999990101001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10010109999991 - 2⁹ = 10010109999479 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10010109999997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5005054999995 + 5005054999996.

It is an arithmetic number, because the mean of its divisors is an integer number (5005054999996).

Almost surely, 2^{10010109999991} is an apocalyptic number.

10010109999991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10010109999991 is an equidigital number, since it uses as much as digits as its factorization.

10010109999991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 531441, while the sum is 58.

The spelling of 10010109999991 in words is "ten trillion, ten billion, one hundred nine million, nine hundred ninety-nine thousand, nine hundred ninety-one".