12102202011111 has 16 divisors (see below), whose sum is σ = 16141546470144. Its totient is φ = 8065496464704.

The previous prime is 12102202011101. The next prime is 12102202011113. The reversal of 12102202011111 is 11111020220121.

It is a happy number.

It is not a de Polignac number, because 12102202011111 - 2³⁰ = 12101128269287 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12102202011113) 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, 173232390 + ... + 173302236.

It is an arithmetic number, because the mean of its divisors is an integer number (1008846654384).

Almost surely, 2^{12102202011111} is an apocalyptic number.

12102202011111 is a deficient number, since it is larger than the sum of its proper divisors (4039344459033).

12102202011111 is a wasteful number, since it uses less digits than its factorization.

12102202011111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87910.

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

Adding to 12102202011111 its reverse (11111020220121), we get a palindrome (23213222231232).

The spelling of 12102202011111 in words is "twelve trillion, one hundred two billion, two hundred two million, eleven thousand, one hundred eleven".