200516121 has 32 divisors (see below), whose sum is σ = 330960000. Its totient is φ = 119133504.

The previous prime is 200516087. The next prime is 200516123. The reversal of 200516121 is 121615002.

200516121 is a `hidden beast` number, since 2 + 0 + 0 + 51 + 612 + 1 = 666.

It is not a de Polignac number, because 200516121 - 2⁷ = 200515993 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200516094 and 200516103.

It is not an unprimeable number, because it can be changed into a prime (200516123) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 330 + ... + 20028.

It is an arithmetic number, because the mean of its divisors is an integer number (10342500).

Almost surely, 2^200516121 is an apocalyptic number.

It is an amenable number.

200516121 is a deficient number, since it is larger than the sum of its proper divisors (130443879).

200516121 is a wasteful number, since it uses less digits than its factorization.

200516121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19750 (or 19744 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 18.

The square root of 200516121 is about 14160.3714993640. The cubic root of 200516121 is about 585.3061645247.

The spelling of 200516121 in words is "two hundred million, five hundred sixteen thousand, one hundred twenty-one".