12111113222211 has 16 divisors (see below), whose sum is σ = 16316746538400. Its totient is φ = 7989963579648.

The previous prime is 12111113222147. The next prime is 12111113222233. The reversal of 12111113222211 is 11222231111121.

12111113222211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12111113222211 - 2⁶ = 12111113222147 is a prime.

It is a super-2 number, since 2×12111113222211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12111113222291) 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, 22974666 + ... + 23495903.

It is an arithmetic number, because the mean of its divisors is an integer number (1019796658650).

Almost surely, 2^{12111113222211} is an apocalyptic number.

12111113222211 is a deficient number, since it is larger than the sum of its proper divisors (4205633316189).

12111113222211 is a wasteful number, since it uses less digits than its factorization.

12111113222211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46471478.

The product of its digits is 96, while the sum is 21.

Adding to 12111113222211 its reverse (11222231111121), we get a palindrome (23333344333332).

The spelling of 12111113222211 in words is "twelve trillion, one hundred eleven billion, one hundred thirteen million, two hundred twenty-two thousand, two hundred eleven".