12221202220110 has 96 divisors (see below), whose sum is σ = 34242018003648. Its totient is φ = 3006304565760.

The previous prime is 12221202220099. The next prime is 12221202220133. The reversal of 12221202220110 is 1102220212221.

It is a happy number.

12221202220110 is a `hidden beast` number, since 12 + 221 + 202 + 220 + 1 + 10 = 666.

12221202220110 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1688607 + ... + 5224346.

It is an arithmetic number, because the mean of its divisors is an integer number (356687687538).

Almost surely, 2^{12221202220110} is an apocalyptic number.

12221202220110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12221202220110 is an abundant number, since it is smaller than the sum of its proper divisors (22020815783538).

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

12221202220110 is a wasteful number, since it uses less digits than its factorization.

12221202220110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6914490 (or 6914487 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 12221202220110 its reverse (1102220212221), we get a palindrome (13323422432331).

The spelling of 12221202220110 in words is "twelve trillion, two hundred twenty-one billion, two hundred two million, two hundred twenty thousand, one hundred ten".