100982188191 has 4 divisors (see below), whose sum is σ = 134642917592. Its totient is φ = 67321458792.

The previous prime is 100982188147. The next prime is 100982188193. The reversal of 100982188191 is 191881289001.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 191881289001 = 3 ⋅63960429667.

It is not a de Polignac number, because 100982188191 - 2¹⁰ = 100982187167 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 100982188191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100982188193) 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, 16830364696 + ... + 16830364701.

It is an arithmetic number, because the mean of its divisors is an integer number (33660729398).

Almost surely, 2^100982188191 is an apocalyptic number.

100982188191 is a deficient number, since it is larger than the sum of its proper divisors (33660729401).

100982188191 is an equidigital number, since it uses as much as digits as its factorization.

100982188191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33660729400.

The product of its (nonzero) digits is 82944, while the sum is 48.

The spelling of 100982188191 in words is "one hundred billion, nine hundred eighty-two million, one hundred eighty-eight thousand, one hundred ninety-one".