200211001220121 has 16 divisors (see below), whose sum is σ = 271985690471040. Its totient is φ = 130955173689600.

The previous prime is 200211001220039. The next prime is 200211001220137. The reversal of 200211001220121 is 121022100112002.

It is not a de Polignac number, because 200211001220121 - 2²⁵ = 200210967665689 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 200211001220121.

It is not an unprimeable number, because it can be changed into a prime (200211001220141) 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 15 ways as a sum of consecutive naturals, for example, 47915796 + ... + 51926346.

It is an arithmetic number, because the mean of its divisors is an integer number (16999105654440).

Almost surely, 2^{200211001220121} is an apocalyptic number.

It is an amenable number.

200211001220121 is a deficient number, since it is larger than the sum of its proper divisors (71774689250919).

200211001220121 is a wasteful number, since it uses less digits than its factorization.

200211001220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4324576.

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

Adding to 200211001220121 its reverse (121022100112002), we get a palindrome (321233101332123).

The spelling of 200211001220121 in words is "two hundred trillion, two hundred eleven billion, one million, two hundred twenty thousand, one hundred twenty-one".