100001332191 has 16 divisors (see below), whose sum is σ = 133645494528. Its totient is φ = 66512443200.

The previous prime is 100001332129. The next prime is 100001332213. The reversal of 100001332191 is 191233100001.

It is not a de Polignac number, because 100001332191 - 2⁶ = 100001332127 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001332091) 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, 6533950 + ... + 6549236.

It is an arithmetic number, because the mean of its divisors is an integer number (8352843408).

Almost surely, 2^100001332191 is an apocalyptic number.

100001332191 is a deficient number, since it is larger than the sum of its proper divisors (33644162337).

100001332191 is a wasteful number, since it uses less digits than its factorization.

100001332191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 100001332191 its reverse (191233100001), we get a palindrome (291234432192).

The spelling of 100001332191 in words is "one hundred billion, one million, three hundred thirty-two thousand, one hundred ninety-one".