100001100001000 has 256 divisors, whose sum is σ = 257857414813440. Its totient is φ = 35996400000000.

The previous prime is 100001100000947. The next prime is 100001100001063. The reversal of 100001100001000 is 100001100001.

It is a Harshad number since it is a multiple of its sum of digits (4).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10100096050 + ... + 10100105950.

It is an arithmetic number, because the mean of its divisors is an integer number (1007255526615).

Almost surely, 2^{100001100001000} is an apocalyptic number.

100001100001000 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 100001100001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128928707406720).

100001100001000 is an abundant number, since it is smaller than the sum of its proper divisors (157856314812440).

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

100001100001000 is a wasteful number, since it uses less digits than its factorization.

100001100001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19125 (or 19111 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 4.

Adding to 100001100001000 its reverse (100001100001), we get a palindrome (100101101101001).

100001100001000 divided by its reverse (100001100001) gives a cube (1000 = 10³).

It can be divided in two parts, 100001 and 100001000, that added together give a palindrome (100101001).

The spelling of 100001100001000 in words is "one hundred trillion, one billion, one hundred million, one thousand".