12220121222110 has 128 divisors (see below), whose sum is σ = 22847200588800. Its totient is φ = 4704030105600.

The previous prime is 12220121222077. The next prime is 12220121222201. The reversal of 12220121222110 is 1122212102221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1694646405 + ... + 1694653615.

It is an arithmetic number, because the mean of its divisors is an integer number (178493754600).

Almost surely, 2^{12220121222110} is an apocalyptic number.

12220121222110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12220121222110 is a deficient number, since it is larger than the sum of its proper divisors (10627079366690).

12220121222110 is a wasteful number, since it uses less digits than its factorization.

12220121222110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7714.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 12220121222110 its reverse (1122212102221), we get a palindrome (13342333324331).

The spelling of 12220121222110 in words is "twelve trillion, two hundred twenty billion, one hundred twenty-one million, two hundred twenty-two thousand, one hundred ten".