100000120201 has 4 divisors (see below), whose sum is σ = 100268217412. Its totient is φ = 99732022992.

The previous prime is 100000120183. The next prime is 100000120217. The reversal of 100000120201 is 102021000001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 102021000001 = 27437 ⋅3718373.

It can be written as a sum of positive squares in 2 ways, for example, as 22000008976 + 78000111225 = 148324^2 + 279285^2 .

It is a cyclic number.

It is not a de Polignac number, because 100000120201 - 2⁹ = 100000119689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100000120501) 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, 134048046 + ... + 134048791.

It is an arithmetic number, because the mean of its divisors is an integer number (25067054353).

Almost surely, 2^100000120201 is an apocalyptic number.

It is an amenable number.

100000120201 is a deficient number, since it is larger than the sum of its proper divisors (268097211).

100000120201 is an equidigital number, since it uses as much as digits as its factorization.

100000120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268097210.

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 100000120201 its reverse (102021000001), we get a palindrome (202021120202).

The spelling of 100000120201 in words is "one hundred billion, one hundred twenty thousand, two hundred one".