12110202111211 has 4 divisors (see below), whose sum is σ = 12112483186800. Its totient is φ = 12107921035624.

The previous prime is 12110202111199. The next prime is 12110202111257. The reversal of 12110202111211 is 11211120201121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12110202111211 - 2¹⁷ = 12110201980139 is a prime.

It is a super-2 number, since 2×12110202111211² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12110202811211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1140529831 + ... + 1140540448.

It is an arithmetic number, because the mean of its divisors is an integer number (3028120796700).

Almost surely, 2^{12110202111211} is an apocalyptic number.

12110202111211 is a deficient number, since it is larger than the sum of its proper divisors (2281075589).

12110202111211 is an equidigital number, since it uses as much as digits as its factorization.

12110202111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2281075588.

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

Adding to 12110202111211 its reverse (11211120201121), we get a palindrome (23321322312332).

The spelling of 12110202111211 in words is "twelve trillion, one hundred ten billion, two hundred two million, one hundred eleven thousand, two hundred eleven".