9101010010091 has 8 divisors (see below), whose sum is σ = 9296374164480. Its totient is φ = 8905717757608.

The previous prime is 9101010010087. The next prime is 9101010010151. The reversal of 9101010010091 is 1900100101019.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9101010010091 - 2² = 9101010010087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9101010010021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17719571 + ... + 18225948.

It is an arithmetic number, because the mean of its divisors is an integer number (1162046770560).

Almost surely, 2^{9101010010091} is an apocalyptic number.

9101010010091 is a deficient number, since it is larger than the sum of its proper divisors (195364154389).

9101010010091 is a wasteful number, since it uses less digits than its factorization.

9101010010091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35950953.

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

The spelling of 9101010010091 in words is "nine trillion, one hundred one billion, ten million, ten thousand, ninety-one".