10012000091 has 2 divisors, whose sum is σ = 10012000092. Its totient is φ = 10012000090.

The previous prime is 10012000069. The next prime is 10012000093. The reversal of 10012000091 is 19000021001.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10012000091 is a prime.

Together with 10012000093, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (10012000093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5006000045 + 5006000046.

It is an arithmetic number, because the mean of its divisors is an integer number (5006000046).

Almost surely, 2^10012000091 is an apocalyptic number.

10012000091 is a deficient number, since it is larger than the sum of its proper divisors (1).

10012000091 is an equidigital number, since it uses as much as digits as its factorization.

10012000091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 10012000091 its reverse (19000021001), we get a palindrome (29012021092).

The spelling of 10012000091 in words is "ten billion, twelve million, ninety-one", and thus it is an aban number and an uban number.