100120201 has 4 divisors (see below), whose sum is σ = 100170000. Its totient is φ = 100070404.

The previous prime is 100120183. The next prime is 100120213. The reversal of 100120201 is 102021001.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 100120201 - 2⁹ = 100119689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (100120231) 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 3 ways as a sum of consecutive naturals, for example, 21751 + ... + 25948.

It is an arithmetic number, because the mean of its divisors is an integer number (25042500).

Almost surely, 2^100120201 is an apocalyptic number.

It is an amenable number.

100120201 is a deficient number, since it is larger than the sum of its proper divisors (49799).

100120201 is an equidigital number, since it uses as much as digits as its factorization.

100120201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49798.

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

The square root of 100120201 is about 10006.0082450496. The cubic root of 100120201 is about 464.3447834364.

Adding to 100120201 its reverse (102021001), we get a palindrome (202141202).

The spelling of 100120201 in words is "one hundred million, one hundred twenty thousand, two hundred one".