200100121 has 8 divisors (see below), whose sum is σ = 216397440. Its totient is φ = 183932112.

The previous prime is 200100083. The next prime is 200100137. The reversal of 200100121 is 121001002.

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

It is not a de Polignac number, because 200100121 - 2¹⁵ = 200067353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200103121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29095 + ... + 35308.

It is an arithmetic number, because the mean of its divisors is an integer number (27049680).

Almost surely, 2^200100121 is an apocalyptic number.

It is an amenable number.

200100121 is a deficient number, since it is larger than the sum of its proper divisors (16297319).

200100121 is a wasteful number, since it uses less digits than its factorization.

200100121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64655.

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

The square root of 200100121 is about 14145.6749927319. The cubic root of 200100121 is about 584.9011165565.

Adding to 200100121 its reverse (121001002), we get a palindrome (321101123).

The spelling of 200100121 in words is "two hundred million, one hundred thousand, one hundred twenty-one".