200200221121 has 2 divisors, whose sum is σ = 200200221122. Its totient is φ = 200200221120.

The previous prime is 200200221103. The next prime is 200200221203. The reversal of 200200221121 is 121122002002.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143308430721 + 56891790400 = 378561^2 + 238520^2 .

It is a cyclic number.

It is not a de Polignac number, because 200200221121 - 2¹⁹ = 200199696833 is a prime.

It is not a weakly prime, because it can be changed into another prime (200200221721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100100110560 + 100100110561.

It is an arithmetic number, because the mean of its divisors is an integer number (100100110561).

Almost surely, 2^200200221121 is an apocalyptic number.

It is an amenable number.

200200221121 is a deficient number, since it is larger than the sum of its proper divisors (1).

200200221121 is an equidigital number, since it uses as much as digits as its factorization.

200200221121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 200200221121 its reverse (121122002002), we get a palindrome (321322223123).

The spelling of 200200221121 in words is "two hundred billion, two hundred million, two hundred twenty-one thousand, one hundred twenty-one".