919191000101 has 16 divisors (see below), whose sum is σ = 1031592931200. Its totient is φ = 811901737920.

The previous prime is 919191000031. The next prime is 919191000121. The reversal of 919191000101 is 101000191919.

It is a cyclic number.

It is not a de Polignac number, because 919191000101 - 2³⁰ = 918117258277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (919191000121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7593626 + ... + 7713723.

It is an arithmetic number, because the mean of its divisors is an integer number (64474558200).

Almost surely, 2^919191000101 is an apocalyptic number.

It is an amenable number.

919191000101 is a deficient number, since it is larger than the sum of its proper divisors (112401931099).

919191000101 is a wasteful number, since it uses less digits than its factorization.

919191000101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15307516.

The product of its (nonzero) digits is 729, while the sum is 32.

The spelling of 919191000101 in words is "nine hundred nineteen billion, one hundred ninety-one million, one hundred one", and thus it is an aban number.