100110001995 has 24 divisors (see below), whose sum is σ = 173531406672. Its totient is φ = 53389723200.

The previous prime is 100110001991. The next prime is 100110002011. The reversal of 100110001995 is 599100011001.

It is not a de Polignac number, because 100110001995 - 2² = 100110001991 is a prime.

It is not an unprimeable number, because it can be changed into a prime (100110001991) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1873600 + ... + 1926290.

It is an arithmetic number, because the mean of its divisors is an integer number (7230475278).

Almost surely, 2^100110001995 is an apocalyptic number.

100110001995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

100110001995 is a deficient number, since it is larger than the sum of its proper divisors (73421404677).

100110001995 is a wasteful number, since it uses less digits than its factorization.

100110001995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94923 (or 94920 counting only the distinct ones).

The product of its (nonzero) digits is 405, while the sum is 27.

Adding to 100110001995 its reverse (599100011001), we get a palindrome (699210012996).

The spelling of 100110001995 in words is "one hundred billion, one hundred ten million, one thousand, nine hundred ninety-five".