12102220101111 has 64 divisors (see below), whose sum is σ = 19523463561216. Its totient is φ = 6518652940800.

The previous prime is 12102220101067. The next prime is 12102220101119. The reversal of 12102220101111 is 11110102220121.

It is a happy number.

It is not a de Polignac number, because 12102220101111 - 2²⁷ = 12102085883383 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102220101119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74025520 + ... + 74188826.

It is an arithmetic number, because the mean of its divisors is an integer number (305054118144).

Almost surely, 2^{12102220101111} is an apocalyptic number.

12102220101111 is a deficient number, since it is larger than the sum of its proper divisors (7421243460105).

12102220101111 is a wasteful number, since it uses less digits than its factorization.

12102220101111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165572.

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

Adding to 12102220101111 its reverse (11110102220121), we get a palindrome (23212322321232).

The spelling of 12102220101111 in words is "twelve trillion, one hundred two billion, two hundred twenty million, one hundred one thousand, one hundred eleven".