200120211200221 has 64 divisors (see below), whose sum is σ = 224483652771840. Its totient is φ = 177217486018560.

The previous prime is 200120211200153. The next prime is 200120211200279. The reversal of 200120211200221 is 122002112021002.

It is a happy number.

It is not a de Polignac number, because 200120211200221 - 2⁴³ = 191324118178013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200120211200195 and 200120211200204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120211200281) 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 63 ways as a sum of consecutive naturals, for example, 7871607916 + ... + 7871633338.

It is an arithmetic number, because the mean of its divisors is an integer number (3507557074560).

Almost surely, 2^{200120211200221} is an apocalyptic number.

It is an amenable number.

200120211200221 is a deficient number, since it is larger than the sum of its proper divisors (24363441571619).

200120211200221 is a wasteful number, since it uses less digits than its factorization.

200120211200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26606.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 200120211200221 its reverse (122002112021002), we get a palindrome (322122323221223).

The spelling of 200120211200221 in words is "two hundred trillion, one hundred twenty billion, two hundred eleven million, two hundred thousand, two hundred twenty-one".