200220212010121 has 16 divisors (see below), whose sum is σ = 200602329090048. Its totient is φ = 199838568384000.

The previous prime is 200220212010103. The next prime is 200220212010157. The reversal of 200220212010121 is 121010212022002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 200220212010121 - 2²³ = 200220203621513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200220212010095 and 200220212010104.

It is not an unprimeable number, because it can be changed into a prime (200220212013121) 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, 4471873891 + ... + 4471918663.

It is an arithmetic number, because the mean of its divisors is an integer number (12537645568128).

Almost surely, 2^{200220212010121} is an apocalyptic number.

It is an amenable number.

200220212010121 is a deficient number, since it is larger than the sum of its proper divisors (382117079927).

200220212010121 is a wasteful number, since it uses less digits than its factorization.

200220212010121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49872.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200220212010121 its reverse (121010212022002), we get a palindrome (321230424032123).

The spelling of 200220212010121 in words is "two hundred trillion, two hundred twenty billion, two hundred twelve million, ten thousand, one hundred twenty-one".