100019201091 has 16 divisors (see below), whose sum is σ = 139164562176. Its totient is φ = 63776962656.

The previous prime is 100019201053. The next prime is 100019201111. The reversal of 100019201091 is 190102910001.

It is not a de Polignac number, because 100019201091 - 2¹⁰ = 100019200067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100019200091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2199501 + ... + 2244513.

It is an arithmetic number, because the mean of its divisors is an integer number (8697785136).

Almost surely, 2^100019201091 is an apocalyptic number.

100019201091 is a deficient number, since it is larger than the sum of its proper divisors (39145361085).

100019201091 is a wasteful number, since it uses less digits than its factorization.

100019201091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77242.

The product of its (nonzero) digits is 162, while the sum is 24.

The spelling of 100019201091 in words is "one hundred billion, nineteen million, two hundred one thousand, ninety-one".