10112010991 has 2 divisors, whose sum is σ = 10112010992. Its totient is φ = 10112010990.

The previous prime is 10112010971. The next prime is 10112011031. The reversal of 10112010991 is 19901021101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10112010991 - 2⁵ = 10112010959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10112010901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5056005495 + 5056005496.

It is an arithmetic number, because the mean of its divisors is an integer number (5056005496).

Almost surely, 2^10112010991 is an apocalyptic number.

10112010991 is a deficient number, since it is larger than the sum of its proper divisors (1).

10112010991 is an equidigital number, since it uses as much as digits as its factorization.

10112010991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 162, while the sum is 25.

The spelling of 10112010991 in words is "ten billion, one hundred twelve million, ten thousand, nine hundred ninety-one".