100120101200201 has 4 divisors (see below), whose sum is σ = 100129635550404. Its totient is φ = 100110566850000.

The previous prime is 100120101200179. The next prime is 100120101200261. The reversal of 100120101200201 is 102002101021001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 24483683713801 + 75636417486400 = 4948099^2 + 8696920^2 .

It is a cyclic number.

It is not a de Polignac number, because 100120101200201 - 2¹⁸ = 100120100938057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120101200261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4767159350 + ... + 4767180351.

It is an arithmetic number, because the mean of its divisors is an integer number (25032408887601).

Almost surely, 2^{100120101200201} is an apocalyptic number.

It is an amenable number.

100120101200201 is a deficient number, since it is larger than the sum of its proper divisors (9534350203).

100120101200201 is an equidigital number, since it uses as much as digits as its factorization.

100120101200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9534350202.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 100120101200201 its reverse (102002101021001), we get a palindrome (202122202221202).

The spelling of 100120101200201 in words is "one hundred trillion, one hundred twenty billion, one hundred one million, two hundred thousand, two hundred one".