200120211120221 has 64 divisors (see below), whose sum is σ = 237277745971200. Its totient is φ = 168694425768960.

The previous prime is 200120211120161. The next prime is 200120211120239. The reversal of 200120211120221 is 122021112021002.

It is not a de Polignac number, because 200120211120221 - 2¹⁰ = 200120211119197 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 200120211120221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120211170221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2280710276 + ... + 2280798018.

It is an arithmetic number, because the mean of its divisors is an integer number (3707464780800).

Almost surely, 2^{200120211120221} is an apocalyptic number.

It is an amenable number.

200120211120221 is a deficient number, since it is larger than the sum of its proper divisors (37157534850979).

200120211120221 is a wasteful number, since it uses less digits than its factorization.

200120211120221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88351 (or 88337 counting only the distinct ones).

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

Adding to 200120211120221 its reverse (122021112021002), we get a palindrome (322141323141223).

The spelling of 200120211120221 in words is "two hundred trillion, one hundred twenty billion, two hundred eleven million, one hundred twenty thousand, two hundred twenty-one".