200120221221201 has 12 divisors (see below), whose sum is σ = 289974410985012. Its totient is φ = 132992618096736.

The previous prime is 200120221221199. The next prime is 200120221221241. The reversal of 200120221221201 is 102122122021002.

It is a happy number.

200120221221201 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 20 + 221 + 221 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 47618073342225 + 152502147878976 = 6900585^2 + 12349176^2 .

It is not a de Polignac number, because 200120221221201 - 2¹ = 200120221221199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (200120221221241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35071890106 + ... + 35071895811.

It is an arithmetic number, because the mean of its divisors is an integer number (24164534248751).

Almost surely, 2^{200120221221201} is an apocalyptic number.

It is an amenable number.

200120221221201 is a deficient number, since it is larger than the sum of its proper divisors (89854189763811).

200120221221201 is a wasteful number, since it uses less digits than its factorization.

200120221221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70143786240 (or 70143786237 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 200120221221201 its reverse (102122122021002), we get a palindrome (302242343242203).

The spelling of 200120221221201 in words is "two hundred trillion, one hundred twenty billion, two hundred twenty-one million, two hundred twenty-one thousand, two hundred one".