1010010109991 has 2 divisors, whose sum is σ = 1010010109992. Its totient is φ = 1010010109990.

The previous prime is 1010010109961. The next prime is 1010010110051. The reversal of 1010010109991 is 1999010100101.

1010010109991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1010010109991 - 2²² = 1010005915687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1010010109921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 505005054995 + 505005054996.

It is an arithmetic number, because the mean of its divisors is an integer number (505005054996).

Almost surely, 2^{1010010109991} is an apocalyptic number.

1010010109991 is a deficient number, since it is larger than the sum of its proper divisors (1).

1010010109991 is an equidigital number, since it uses as much as digits as its factorization.

1010010109991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 1010010109991 in words is "one trillion, ten billion, ten million, one hundred nine thousand, nine hundred ninety-one".