200201021121 has 16 divisors (see below), whose sum is σ = 272027419200. Its totient is φ = 130922026560.

The previous prime is 200201021113. The next prime is 200201021147. The reversal of 200201021121 is 121120102002.

200201021121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 200201021121 - 2³ = 200201021113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200201021097 and 200201021106.

It is not an unprimeable number, because it can be changed into a prime (200201021191) 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 15 ways as a sum of consecutive naturals, for example, 656355 + ... + 911703.

It is an arithmetic number, because the mean of its divisors is an integer number (17001713700).

Almost surely, 2^200201021121 is an apocalyptic number.

It is an amenable number.

200201021121 is a deficient number, since it is larger than the sum of its proper divisors (71826398079).

200201021121 is a wasteful number, since it uses less digits than its factorization.

200201021121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260336.

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

Adding to 200201021121 its reverse (121120102002), we get a palindrome (321321123123).

The spelling of 200201021121 in words is "two hundred billion, two hundred one million, twenty-one thousand, one hundred twenty-one".