100001000000 has 196 divisors, whose sum is σ = 270625598448. Its totient is φ = 36360000000.

The previous prime is 100000999991. The next prime is 100001000009. The reversal of 100001000000 is 100001.

It is an interprime number because it is at equal distance from previous prime (100000999991) and next prime (100001000009).

It is a sliding number, since 100001000000 = 1000000 + 100000000000 and 1/1000000 + 1/100000000000 = 0.00000100001000000.

It is a Harshad number since it is a multiple of its sum of digits (2).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is not an unprimeable number, because it can be changed into a prime (100001000009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 10995455 + ... + 11004545.

Almost surely, 2^100001000000 is an apocalyptic number.

100001000000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100001000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135312799224).

100001000000 is an abundant number, since it is smaller than the sum of its proper divisors (170624598448).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

100001000000 is an frugal number, since it uses more digits than its factorization.

100001000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9144 (or 9109 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 2.

Adding to 100001000000 its reverse (100001), we get a palindrome (100001100001).

100001000000 divided by its reverse (100001) gives a 6-th power (1000000 = 10⁶).

The spelling of 100001000000 in words is "one hundred billion, one million", and thus it is an aban number.