12212221120110 has 128 divisors (see below), whose sum is σ = 36392960862720. Its totient is φ = 2888330169600.

The previous prime is 12212221120093. The next prime is 12212221120129. The reversal of 12212221120110 is 1102112221221.

12212221120110 is a `hidden beast` number, since 1 + 2 + 212 + 221 + 120 + 110 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

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, 50022852 + ... + 50266391.

It is an arithmetic number, because the mean of its divisors is an integer number (284320006740).

Almost surely, 2^{12212221120110} is an apocalyptic number.

12212221120110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12212221120110 is an abundant number, since it is smaller than the sum of its proper divisors (24180739742610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12212221120110 is a wasteful number, since it uses less digits than its factorization.

12212221120110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100289311 (or 100289305 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 12212221120110 its reverse (1102112221221), we get a palindrome (13314333341331).

The spelling of 12212221120110 in words is "twelve trillion, two hundred twelve billion, two hundred twenty-one million, one hundred twenty thousand, one hundred ten".