12102102101211 has 16 divisors (see below), whose sum is σ = 17571110131200. Its totient is φ = 7379866253088.

The previous prime is 12102102101161. The next prime is 12102102101231. The reversal of 12102102101211 is 11210120120121.

It is a happy number.

It is not a de Polignac number, because 12102102101211 - 2¹⁹ = 12102101576923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12102102101231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3660646291 + ... + 3660649596.

It is an arithmetic number, because the mean of its divisors is an integer number (1098194383200).

Almost surely, 2^{12102102101211} is an apocalyptic number.

12102102101211 is a deficient number, since it is larger than the sum of its proper divisors (5469008029989).

12102102101211 is a wasteful number, since it uses less digits than its factorization.

12102102101211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7321295938.

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

Adding to 12102102101211 its reverse (11210120120121), we get a palindrome (23312222221332).

The spelling of 12102102101211 in words is "twelve trillion, one hundred two billion, one hundred two million, one hundred one thousand, two hundred eleven".