200210221201121 has 4 divisors (see below), whose sum is σ = 200210251144644. Its totient is φ = 200210191257600.

The previous prime is 200210221201099. The next prime is 200210221201139. The reversal of 200210221201121 is 121102122012002.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 114055885293025 + 86154335908096 = 10679695^2 + 9281936^2 .

It is a cyclic number.

It is not a de Polignac number, because 200210221201121 - 2²² = 200210217006817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200210221201121.

It is not an unprimeable number, because it can be changed into a prime (200210221201621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146081 + ... + 20011041.

It is an arithmetic number, because the mean of its divisors is an integer number (50052562786161).

Almost surely, 2^{200210221201121} is an apocalyptic number.

It is an amenable number.

200210221201121 is a deficient number, since it is larger than the sum of its proper divisors (29943523).

200210221201121 is a wasteful number, since it uses less digits than its factorization.

200210221201121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29943522.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 200210221201121 its reverse (121102122012002), we get a palindrome (321312343213123).

The spelling of 200210221201121 in words is "two hundred trillion, two hundred ten billion, two hundred twenty-one million, two hundred one thousand, one hundred twenty-one".