200201011202121 has 16 divisors (see below), whose sum is σ = 282651186883968. Its totient is φ = 125609891782400.

The previous prime is 200201011202033. The next prime is 200201011202161. The reversal of 200201011202121 is 121202110102002.

It is a cyclic number.

It is not a de Polignac number, because 200201011202121 - 2²² = 200201007007817 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 200201011202121.

It is not an unprimeable number, because it can be changed into a prime (200201011202161) 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, 99446325 + ... + 101439506.

It is an arithmetic number, because the mean of its divisors is an integer number (17665699180248).

Almost surely, 2^{200201011202121} is an apocalyptic number.

It is an amenable number.

200201011202121 is a deficient number, since it is larger than the sum of its proper divisors (82450175681847).

200201011202121 is a wasteful number, since it uses less digits than its factorization.

200201011202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200905392.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200201011202121 its reverse (121202110102002), we get a palindrome (321403121304123).

The spelling of 200201011202121 in words is "two hundred trillion, two hundred one billion, eleven million, two hundred two thousand, one hundred twenty-one".