200211220221121 has 8 divisors (see below), whose sum is σ = 200390752624104. Its totient is φ = 200031727209600.

The previous prime is 200211220221119. The next prime is 200211220221151. The reversal of 200211220221121 is 121122022112002.

It can be written as a sum of positive squares in 4 ways, for example, as 9955791878400 + 190255428342721 = 3155280^2 + 13793311^2 .

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 200211220221121 - 2¹ = 200211220221119 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200211220221151) 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, 326611 + ... + 20013223.

It is an arithmetic number, because the mean of its divisors is an integer number (25048844078013).

Almost surely, 2^{200211220221121} is an apocalyptic number.

It is an amenable number.

200211220221121 is a deficient number, since it is larger than the sum of its proper divisors (179532402983).

200211220221121 is a wasteful number, since it uses less digits than its factorization.

200211220221121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19695731.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 200211220221121 its reverse (121122022112002), we get a palindrome (321333242333123).

The spelling of 200211220221121 in words is "two hundred trillion, two hundred eleven billion, two hundred twenty million, two hundred twenty-one thousand, one hundred twenty-one".