12210112012111 has 16 divisors (see below), whose sum is σ = 13325570949600. Its totient is φ = 11120369660928.

The previous prime is 12210112012103. The next prime is 12210112012129. The reversal of 12210112012111 is 11121021101221.

It is a cyclic number.

It is not a de Polignac number, because 12210112012111 - 2³ = 12210112012103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210112012141) 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, 10758666 + ... + 11839303.

It is an arithmetic number, because the mean of its divisors is an integer number (832848184350).

Almost surely, 2^{12210112012111} is an apocalyptic number.

12210112012111 is a deficient number, since it is larger than the sum of its proper divisors (1115458937489).

12210112012111 is a wasteful number, since it uses less digits than its factorization.

12210112012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22598538.

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

Adding to 12210112012111 its reverse (11121021101221), we get a palindrome (23331133113332).

The spelling of 12210112012111 in words is "twelve trillion, two hundred ten billion, one hundred twelve million, twelve thousand, one hundred eleven".