10010091919091 has 4 divisors (see below), whose sum is σ = 10920100275384. Its totient is φ = 9100083562800.

The previous prime is 10010091918847. The next prime is 10010091919153. The reversal of 10010091919091 is 19091919001001.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10010091919091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10010091913091) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455004178130 + ... + 455004178151.

It is an arithmetic number, because the mean of its divisors is an integer number (2730025068846).

Almost surely, 2^{10010091919091} is an apocalyptic number.

10010091919091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10010091919091 is a deficient number, since it is larger than the sum of its proper divisors (910008356293).

10010091919091 is an equidigital number, since it uses as much as digits as its factorization.

10010091919091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 910008356292.

The product of its (nonzero) digits is 6561, while the sum is 41.

The spelling of 10010091919091 in words is "ten trillion, ten billion, ninety-one million, nine hundred nineteen thousand, ninety-one".