12222121220110 has 32 divisors (see below), whose sum is σ = 22078823562432. Its totient is φ = 4871292867840.

The previous prime is 12222121220039. The next prime is 12222121220161. The reversal of 12222121220110 is 1102212122221.

12222121220110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128827612 + ... + 128922448.

It is an arithmetic number, because the mean of its divisors is an integer number (689963236326).

Almost surely, 2^{12222121220110} is an apocalyptic number.

12222121220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12222121220110 is a deficient number, since it is larger than the sum of its proper divisors (9856702342322).

12222121220110 is a wasteful number, since it uses less digits than its factorization.

12222121220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140988.

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

Adding to 12222121220110 its reverse (1102212122221), we get a palindrome (13324333342331).

The spelling of 12222121220110 in words is "twelve trillion, two hundred twenty-two billion, one hundred twenty-one million, two hundred twenty thousand, one hundred ten".