120100200001001 has 8 divisors (see below), whose sum is σ = 131605926461184. Its totient is φ = 108692394617520.

The previous prime is 120100200000901. The next prime is 120100200001039. The reversal of 120100200001001 is 100100002001021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120100200001001 - 2²⁶ = 120100132892137 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 120100200001001.

It is not an unprimeable number, because it can be changed into a prime (120100200001051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24480266606 + ... + 24480271511.

It is an arithmetic number, because the mean of its divisors is an integer number (16450740807648).

Almost surely, 2^{120100200001001} is an apocalyptic number.

120100200001001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

120100200001001 is a deficient number, since it is larger than the sum of its proper divisors (11505726460183).

120100200001001 is a wasteful number, since it uses less digits than its factorization.

120100200001001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48960538351.

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 120100200001001 its reverse (100100002001021), we get a palindrome (220200202002022).

The spelling of 120100200001001 in words is "one hundred twenty trillion, one hundred billion, two hundred million, one thousand, one".