100001191012 has 12 divisors (see below), whose sum is σ = 175004627056. Its totient is φ = 49999869000.

The previous prime is 100001190997. The next prime is 100001191061. The reversal of 100001191012 is 210191100001.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 233503 + ... + 504505.

Almost surely, 2^100001191012 is an apocalyptic number.

It is an amenable number.

100001191012 is a deficient number, since it is larger than the sum of its proper divisors (75003436044).

100001191012 is a wasteful number, since it uses less digits than its factorization.

100001191012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363258 (or 363256 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 100001191012 its reverse (210191100001), we get a palindrome (310192291013).

The spelling of 100001191012 in words is "one hundred billion, one million, one hundred ninety-one thousand, twelve".