1001002000104 has 80 divisors (see below), whose sum is σ = 2803875829920. Its totient is φ = 333650270880.

The previous prime is 1001002000099. The next prime is 1001002000109. The reversal of 1001002000104 is 4010002001001.

It is a happy number.

1001002000104 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1001002000099) and next prime (1001002000109).

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (1001002000109) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 23041267 + ... + 23084669.

It is an arithmetic number, because the mean of its divisors is an integer number (35048447874).

Almost surely, 2^{1001002000104} is an apocalyptic number.

It is an amenable number.

1001002000104 is an abundant number, since it is smaller than the sum of its proper divisors (1802873829816).

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

1001002000104 is a wasteful number, since it uses less digits than its factorization.

1001002000104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79012 (or 78999 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1001002000104 its reverse (4010002001001), we get a palindrome (5011004001105).

The spelling of 1001002000104 in words is "one trillion, one billion, two million, one hundred four", and thus it is an aban number.