12210111011 has 12 divisors (see below), whose sum is σ = 14226654168. Its totient is φ = 10448821152.

The previous prime is 12210111007. The next prime is 12210111013. The reversal of 12210111011 is 11011101221.

12210111011 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 12210111011 - 2² = 12210111007 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12210110983 and 12210111001.

It is not an unprimeable number, because it can be changed into a prime (12210111013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 171701 + ... + 232166.

It is an arithmetic number, because the mean of its divisors is an integer number (1185554514).

Almost surely, 2^12210111011 is an apocalyptic number.

12210111011 is a deficient number, since it is larger than the sum of its proper divisors (2016543157).

12210111011 is an equidigital number, since it uses as much as digits as its factorization.

12210111011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404498 (or 404491 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 12210111011 its reverse (11011101221), we get a palindrome (23221212232).

The spelling of 12210111011 in words is "twelve billion, two hundred ten million, one hundred eleven thousand, eleven".