200201102010121 has 8 divisors (see below), whose sum is σ = 200303809662600. Its totient is φ = 200098398339840.

The previous prime is 200201102010089. The next prime is 200201102010187. The reversal of 200201102010121 is 121010201102002.

It can be written as a sum of positive squares in 4 ways, for example, as 54973030784400 + 145228071225721 = 7414380^2 + 12051061^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 200201102010121 - 2⁵ = 200201102010089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200201102011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102325281 + ... + 104263441.

It is an arithmetic number, because the mean of its divisors is an integer number (25037976207825).

Almost surely, 2^{200201102010121} is an apocalyptic number.

It is an amenable number.

200201102010121 is a deficient number, since it is larger than the sum of its proper divisors (102707652479).

200201102010121 is a wasteful number, since it uses less digits than its factorization.

200201102010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1991099.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200201102010121 its reverse (121010201102002), we get a palindrome (321211303112123).

The spelling of 200201102010121 in words is "two hundred trillion, two hundred one billion, one hundred two million, ten thousand, one hundred twenty-one".