1001100100104 has 48 divisors (see below), whose sum is σ = 2919875294700. Its totient is φ = 308030799744.

The previous prime is 1001100100097. The next prime is 1001100100123. The reversal of 1001100100104 is 4010010011001.

It can be written as a sum of positive squares in 2 ways, for example, as 998900302500 + 2199797604 = 999450^2 + 46902^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 534774759 + ... + 534776630.

Almost surely, 2^{1001100100104} is an apocalyptic number.

It is an amenable number.

1001100100104 is an abundant number, since it is smaller than the sum of its proper divisors (1918775194596).

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

1001100100104 is a wasteful number, since it uses less digits than its factorization.

1001100100104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1069551414 (or 1069551407 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1001100100104 its reverse (4010010011001), we get a palindrome (5011110111105).

The spelling of 1001100100104 in words is "one trillion, one billion, one hundred million, one hundred thousand, one hundred four".