19100191002002 has 16 divisors (see below), whose sum is σ = 32017171614624. Its totient is φ = 8470151220000.

The previous prime is 19100191001993. The next prime is 19100191002037. The reversal of 19100191002002 is 20020019100191.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10587688124 + ... + 10587689927.

It is an arithmetic number, because the mean of its divisors is an integer number (2001073225914).

Almost surely, 2^{19100191002002} is an apocalyptic number.

19100191002002 is a deficient number, since it is larger than the sum of its proper divisors (12916980612622).

19100191002002 is a wasteful number, since it uses less digits than its factorization.

19100191002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21175378105.

The product of its (nonzero) digits is 324, while the sum is 26.

The spelling of 19100191002002 in words is "nineteen trillion, one hundred billion, one hundred ninety-one million, two thousand, two".