201000212102122 has 16 divisors (see below), whose sum is σ = 317723968513152. Its totient is φ = 95178748733200.

The previous prime is 201000212102093. The next prime is 201000212102143. The reversal of 201000212102122 is 221201212000102.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 201000212102096 and 201000212102105.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21631529158 + ... + 21631538449.

It is an arithmetic number, because the mean of its divisors is an integer number (19857748032072).

Almost surely, 2^{201000212102122} is an apocalyptic number.

201000212102122 is a deficient number, since it is larger than the sum of its proper divisors (116723756411030).

201000212102122 is a wasteful number, since it uses less digits than its factorization.

201000212102122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43263067733.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 201000212102122 its reverse (221201212000102), we get a palindrome (422201424102224).

The spelling of 201000212102122 in words is "two hundred one trillion, two hundred twelve million, one hundred two thousand, one hundred twenty-two".