2001100305124 has 6 divisors (see below), whose sum is σ = 3501925533974. Its totient is φ = 1000550152560.

The previous prime is 2001100305109. The next prime is 2001100305187. The reversal of 2001100305124 is 4215030011002.

It can be written as a sum of positive squares in only one way, i.e., 1678885135524 + 322215169600 = 1295718^2 + 567640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250137538137 + ... + 250137538144.

Almost surely, 2^{2001100305124} is an apocalyptic number.

It is an amenable number.

2001100305124 is a deficient number, since it is larger than the sum of its proper divisors (1500825228850).

2001100305124 is a wasteful number, since it uses less digits than its factorization.

2001100305124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500275076285 (or 500275076283 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

Adding to 2001100305124 its reverse (4215030011002), we get a palindrome (6216130316126).

The spelling of 2001100305124 in words is "two trillion, one billion, one hundred million, three hundred five thousand, one hundred twenty-four".