200210201122121 has 16 divisors (see below), whose sum is σ = 202568820284160. Its totient is φ = 197865421269840.

The previous prime is 200210201122103. The next prime is 200210201122159. The reversal of 200210201122121 is 121221102012002.

It is a cyclic number.

It is not a de Polignac number, because 200210201122121 - 2²² = 200210196927817 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 200210201122121.

It is not an unprimeable number, because it can be changed into a prime (200210201122621) 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 15 ways as a sum of consecutive naturals, for example, 1994810486 + ... + 1994910848.

It is an arithmetic number, because the mean of its divisors is an integer number (12660551267760).

Almost surely, 2^{200210201122121} is an apocalyptic number.

It is an amenable number.

200210201122121 is a deficient number, since it is larger than the sum of its proper divisors (2358619162039).

200210201122121 is a wasteful number, since it uses less digits than its factorization.

200210201122121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169076.

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

Adding to 200210201122121 its reverse (121221102012002), we get a palindrome (321431303134123).

The spelling of 200210201122121 in words is "two hundred trillion, two hundred ten billion, two hundred one million, one hundred twenty-two thousand, one hundred twenty-one".