120000100001 has 8 divisors (see below), whose sum is σ = 121245341280. Its totient is φ = 118755024768.

The previous prime is 120000099899. The next prime is 120000100009. The reversal of 120000100001 is 100001000021.

It is a happy number.

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 120000100001 - 2³⁴ = 102820230817 is a prime.

It is a Duffinian number.

120000100001 is a modest number, since divided by 100001 gives 12 as remainder.

It is not an unprimeable number, because it can be changed into a prime (120000100009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1860470 + ... + 1923888.

It is an arithmetic number, because the mean of its divisors is an integer number (15155667660).

Almost surely, 2^120000100001 is an apocalyptic number.

It is an amenable number.

120000100001 is a deficient number, since it is larger than the sum of its proper divisors (1245241279).

120000100001 is an equidigital number, since it uses as much as digits as its factorization.

120000100001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83023.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 120000100001 its reverse (100001000021), we get a palindrome (220001100022).

It can be divided in two parts, 1 and 20000100001, that added together give a palindrome (20000100002).

The spelling of 120000100001 in words is "one hundred twenty billion, one hundred thousand, one".