212102002010121 has 8 divisors (see below), whose sum is σ = 282804755439264. Its totient is φ = 141400291627200.

The previous prime is 212102002010039. The next prime is 212102002010141. The reversal of 212102002010121 is 121010200201212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 212102002010121 - 2¹⁰ = 212102002009097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 212102002010121.

It is not an unprimeable number, because it can be changed into a prime (212102002010141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 260286951 + ... + 261100556.

It is an arithmetic number, because the mean of its divisors is an integer number (35350594429908).

Almost surely, 2^{212102002010121} is an apocalyptic number.

It is an amenable number.

212102002010121 is a deficient number, since it is larger than the sum of its proper divisors (70702753429143).

212102002010121 is a wasteful number, since it uses less digits than its factorization.

212102002010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521523111.

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

Adding to 212102002010121 its reverse (121010200201212), we get a palindrome (333112202211333).

The spelling of 212102002010121 in words is "two hundred twelve trillion, one hundred two billion, two million, ten thousand, one hundred twenty-one".