12211110012111 has 8 divisors (see below), whose sum is σ = 16439552638080. Its totient is φ = 8061703697112.

The previous prime is 12211110012071. The next prime is 12211110012119. The reversal of 12211110012111 is 11121001111221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12211110012111 - 2⁶ = 12211110012047 is a prime.

It is a super-2 number, since 2×12211110012111² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12211110012119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19759077381 + ... + 19759077998.

It is an arithmetic number, because the mean of its divisors is an integer number (2054944079760).

Almost surely, 2^{12211110012111} is an apocalyptic number.

12211110012111 is a deficient number, since it is larger than the sum of its proper divisors (4228442625969).

12211110012111 is a wasteful number, since it uses less digits than its factorization.

12211110012111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39518155485.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12211110012111 its reverse (11121001111221), we get a palindrome (23332111123332).

The spelling of 12211110012111 in words is "twelve trillion, two hundred eleven billion, one hundred ten million, twelve thousand, one hundred eleven".