1009191109101 has 8 divisors (see below), whose sum is σ = 1537815023424. Its totient is φ = 576680633760.

The previous prime is 1009191109063. The next prime is 1009191109109. The reversal of 1009191109101 is 1019011919001.

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

It is not a de Polignac number, because 1009191109101 - 2⁶ = 1009191109037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1009191109109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24028359720 + ... + 24028359761.

It is an arithmetic number, because the mean of its divisors is an integer number (192226877928).

Almost surely, 2^{1009191109101} is an apocalyptic number.

It is an amenable number.

1009191109101 is a deficient number, since it is larger than the sum of its proper divisors (528623914323).

1009191109101 is an equidigital number, since it uses as much as digits as its factorization.

1009191109101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48056719491.

The product of its (nonzero) digits is 729, while the sum is 33.

The spelling of 1009191109101 in words is "one trillion, nine billion, one hundred ninety-one million, one hundred nine thousand, one hundred one".