12211120110211 has 32 divisors (see below), whose sum is σ = 13558097203200. Its totient is φ = 10904582098080.

The previous prime is 12211120110121. The next prime is 12211120110239. The reversal of 12211120110211 is 11201102111221.

It is a de Polignac number, because none of the positive numbers 2^k-12211120110211 is a prime.

It is a super-2 number, since 2×12211120110211² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12211120110611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 673931010 + ... + 673949128.

It is an arithmetic number, because the mean of its divisors is an integer number (423690537600).

Almost surely, 2^{12211120110211} is an apocalyptic number.

12211120110211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12211120110211 is a deficient number, since it is larger than the sum of its proper divisors (1346977092989).

12211120110211 is a wasteful number, since it uses less digits than its factorization.

12211120110211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20719.

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

Adding to 12211120110211 its reverse (11201102111221), we get a palindrome (23412222221432).

It can be divided in two parts, 1221 and 1120110211, that multiplied together give a palindrome (1367654567631).

The spelling of 12211120110211 in words is "twelve trillion, two hundred eleven billion, one hundred twenty million, one hundred ten thousand, two hundred eleven".