200121000113221 has 16 divisors (see below), whose sum is σ = 218902581551808. Its totient is φ = 181437561360000.

The previous prime is 200121000113189. The next prime is 200121000113249. The reversal of 200121000113221 is 122311000121002.

It is not a de Polignac number, because 200121000113221 - 2⁵ = 200121000113189 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 200121000113195 and 200121000113204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200121000113261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283809346 + ... + 284513596.

It is an arithmetic number, because the mean of its divisors is an integer number (13681411346988).

Almost surely, 2^{200121000113221} is an apocalyptic number.

It is an amenable number.

200121000113221 is a deficient number, since it is larger than the sum of its proper divisors (18781581438587).

200121000113221 is a wasteful number, since it uses less digits than its factorization.

200121000113221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 773892.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 200121000113221 its reverse (122311000121002), we get a palindrome (322432000234223).

The spelling of 200121000113221 in words is "two hundred trillion, one hundred twenty-one billion, one hundred thirteen thousand, two hundred twenty-one".