12102121202211 has 40 divisors (see below), whose sum is σ = 19149681759120. Its totient is φ = 7590407657472.

The previous prime is 12102121202209. The next prime is 12102121202251. The reversal of 12102121202211 is 11220212120121.

12102121202211 is a `hidden beast` number, since 1 + 210 + 21 + 21 + 202 + 211 = 666.

It is not a de Polignac number, because 12102121202211 - 2¹ = 12102121202209 is a prime.

It is a super-2 number, since 2×12102121202211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12102121202251) 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 39 ways as a sum of consecutive naturals, for example, 1615795 + ... + 5178323.

It is an arithmetic number, because the mean of its divisors is an integer number (478742043978).

Almost surely, 2^{12102121202211} is an apocalyptic number.

12102121202211 is a deficient number, since it is larger than the sum of its proper divisors (7047560556909).

12102121202211 is a wasteful number, since it uses less digits than its factorization.

12102121202211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3565025 (or 3565016 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12102121202211 its reverse (11220212120121), we get a palindrome (23322333322332).

The spelling of 12102121202211 in words is "twelve trillion, one hundred two billion, one hundred twenty-one million, two hundred two thousand, two hundred eleven".