12212111220110 has 16 divisors (see below), whose sum is σ = 22017427112016. Its totient is φ = 4876927395648.

The previous prime is 12212111220097. The next prime is 12212111220139. The reversal of 12212111220110 is 1102211121221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 989630072 + ... + 989642411.

It is an arithmetic number, because the mean of its divisors is an integer number (1376089194501).

Almost surely, 2^{12212111220110} is an apocalyptic number.

12212111220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212111220110 is a deficient number, since it is larger than the sum of its proper divisors (9805315891906).

12212111220110 is a wasteful number, since it uses less digits than its factorization.

12212111220110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1979273107.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 12212111220110 its reverse (1102211121221), we get a palindrome (13314322341331).

The spelling of 12212111220110 in words is "twelve trillion, two hundred twelve billion, one hundred eleven million, two hundred twenty thousand, one hundred ten".