200210120210121 has 16 divisors (see below), whose sum is σ = 323028093112704. Its totient is φ = 107676031037184.

The previous prime is 200210120210117. The next prime is 200210120210137. The reversal of 200210120210121 is 121012021012002.

It is not a de Polignac number, because 200210120210121 - 2² = 200210120210117 is a prime.

It is a super-2 number, since 2×200210120210121² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 200210120210121.

It is not an unprimeable number, because it can be changed into a prime (200210120210521) 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, 280406330470 + ... + 280406331183.

It is an arithmetic number, because the mean of its divisors is an integer number (20189255819544).

Almost surely, 2^{200210120210121} is an apocalyptic number.

200210120210121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

200210120210121 is a deficient number, since it is larger than the sum of its proper divisors (122817972902583).

200210120210121 is a wasteful number, since it uses less digits than its factorization.

200210120210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560812661680.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 200210120210121 its reverse (121012021012002), we get a palindrome (321222141222123).

The spelling of 200210120210121 in words is "two hundred trillion, two hundred ten billion, one hundred twenty million, two hundred ten thousand, one hundred twenty-one".