12102222201111 has 40 divisors (see below), whose sum is σ = 20819009295744. Its totient is φ = 6862765001040.

The previous prime is 12102222201079. The next prime is 12102222201131. The reversal of 12102222201111 is 11110222220121.

12102222201111 is a `hidden beast` number, since 1 + 210 + 222 + 220 + 1 + 1 + 11 = 666.

It is not a de Polignac number, because 12102222201111 - 2⁵ = 12102222201079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102222201131) 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, 81392545 + ... + 81541098.

Almost surely, 2^{12102222201111} is an apocalyptic number.

12102222201111 is a deficient number, since it is larger than the sum of its proper divisors (8716787094633).

12102222201111 is a wasteful number, since it uses less digits than its factorization.

12102222201111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162933793 (or 162933784 counting only the distinct ones).

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

Adding to 12102222201111 its reverse (11110222220121), we get a palindrome (23212444421232).

The spelling of 12102222201111 in words is "twelve trillion, one hundred two billion, two hundred twenty-two million, two hundred one thousand, one hundred eleven".