12111210102211 has 16 divisors (see below), whose sum is σ = 13727508213600. Its totient is φ = 10584107654400.

The previous prime is 12111210102143. The next prime is 12111210102223. The reversal of 12111210102211 is 11220101211121.

It is a cyclic number.

It is not a de Polignac number, because 12111210102211 - 2³⁷ = 11973771148739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12111210102241) 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, 82822530 + ... + 82968631.

It is an arithmetic number, because the mean of its divisors is an integer number (857969263350).

Almost surely, 2^{12111210102211} is an apocalyptic number.

12111210102211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12111210102211 is a deficient number, since it is larger than the sum of its proper divisors (1616298111389).

12111210102211 is a wasteful number, since it uses less digits than its factorization.

12111210102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165791430.

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

Adding to 12111210102211 its reverse (11220101211121), we get a palindrome (23331311313332).

The spelling of 12111210102211 in words is "twelve trillion, one hundred eleven billion, two hundred ten million, one hundred two thousand, two hundred eleven".