200201121 has 12 divisors (see below), whose sum is σ = 289843840. Its totient is φ = 133160760.

The previous prime is 200201107. The next prime is 200201137. The reversal of 200201121 is 121102002.

It is not a de Polignac number, because 200201121 - 2¹⁰ = 200200097 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200201161) 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 11 ways as a sum of consecutive naturals, for example, 21385 + ... + 29286.

Almost surely, 2^200201121 is an apocalyptic number.

It is an amenable number.

200201121 is a deficient number, since it is larger than the sum of its proper divisors (89642719).

200201121 is a wasteful number, since it uses less digits than its factorization.

200201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51116 (or 51113 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 200201121 is about 14149.2445381370. The cubic root of 200201121 is about 584.9995090945. Note that the first 3 decimals are identical.

Adding to 200201121 its reverse (121102002), we get a palindrome (321303123).

The spelling of 200201121 in words is "two hundred million, two hundred one thousand, one hundred twenty-one".