212000110211121 has 16 divisors (see below), whose sum is σ = 284399205189120. Its totient is φ = 140468591416320.

The previous prime is 212000110211081. The next prime is 212000110211161. The reversal of 212000110211121 is 121112011000212.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (212000110211081) and next prime (212000110211161).

It is not a de Polignac number, because 212000110211121 - 2¹³ = 212000110202929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212000110211121.

It is not an unprimeable number, because it can be changed into a prime (212000110211161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 171934561 + ... + 173163198.

It is an arithmetic number, because the mean of its divisors is an integer number (17774950324320).

Almost surely, 2^{212000110211121} is an apocalyptic number.

It is an amenable number.

212000110211121 is a deficient number, since it is larger than the sum of its proper divisors (72399094977999).

212000110211121 is a wasteful number, since it uses less digits than its factorization.

212000110211121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345099016.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 212000110211121 its reverse (121112011000212), we get a palindrome (333112121211333).

The spelling of 212000110211121 in words is "two hundred twelve trillion, one hundred ten million, two hundred eleven thousand, one hundred twenty-one".