200120120121 has 8 divisors (see below), whose sum is σ = 267203172160. Its totient is φ = 133225240752.

The previous prime is 200120120093. The next prime is 200120120129. The reversal of 200120120121 is 121021021002.

200120120121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 200120120121 - 2¹¹ = 200120118073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120120097 and 200120120106.

It is not an unprimeable number, because it can be changed into a prime (200120120129) 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 7 ways as a sum of consecutive naturals, for example, 47040685 + ... + 47044938.

It is an arithmetic number, because the mean of its divisors is an integer number (33400396520).

Almost surely, 2^200120120121 is an apocalyptic number.

It is an amenable number.

200120120121 is a deficient number, since it is larger than the sum of its proper divisors (67083052039).

200120120121 is an equidigital number, since it uses as much as digits as its factorization.

200120120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94086335.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 200120120121 its reverse (121021021002), we get a palindrome (321141141123).

The spelling of 200120120121 in words is "two hundred billion, one hundred twenty million, one hundred twenty thousand, one hundred twenty-one".