12101102211 has 16 divisors (see below), whose sum is σ = 17824412160. Its totient is φ = 7241164320.

The previous prime is 12101102159. The next prime is 12101102243. The reversal of 12101102211 is 11220110121.

It is not a de Polignac number, because 12101102211 - 2⁹ = 12101101699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12101102711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2318280 + ... + 2323493.

It is an arithmetic number, because the mean of its divisors is an integer number (1114025760).

Almost surely, 2^12101102211 is an apocalyptic number.

12101102211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

12101102211 is a deficient number, since it is larger than the sum of its proper divisors (5723309949).

12101102211 is a wasteful number, since it uses less digits than its factorization.

12101102211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4641866.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 12101102211 its reverse (11220110121), we get a palindrome (23321212332).

The spelling of 12101102211 in words is "twelve billion, one hundred one million, one hundred two thousand, two hundred eleven".