200121220112210 has 32 divisors (see below), whose sum is σ = 360476153269632. Its totient is φ = 79991170842240.

The previous prime is 200121220112189. The next prime is 200121220112273. The reversal of 200121220112210 is 12211022121002.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 247879259 + ... + 248685281.

It is an arithmetic number, because the mean of its divisors is an integer number (11264879789676).

Almost surely, 2^{200121220112210} is an apocalyptic number.

200121220112210 is a deficient number, since it is larger than the sum of its proper divisors (160354933157422).

200121220112210 is a wasteful number, since it uses less digits than its factorization.

200121220112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823778.

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

Adding to 200121220112210 its reverse (12211022121002), we get a palindrome (212332242233212).

The spelling of 200121220112210 in words is "two hundred trillion, one hundred twenty-one billion, two hundred twenty million, one hundred twelve thousand, two hundred ten".