12110221011222 has 72 divisors (see below), whose sum is σ = 27695536347024. Its totient is φ = 3823741909152.

The previous prime is 12110221011211. The next prime is 12110221011223. The reversal of 12110221011222 is 22211012201121.

12110221011222 is a `hidden beast` number, since 1 + 211 + 0 + 221 + 0 + 11 + 222 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12110221011195 and 12110221011204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12110221011223) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 5193093 + ... + 7154624.

It is an arithmetic number, because the mean of its divisors is an integer number (384660227042).

Almost surely, 2^{12110221011222} is an apocalyptic number.

12110221011222 is an abundant number, since it is smaller than the sum of its proper divisors (15585315335802).

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

12110221011222 is a wasteful number, since it uses less digits than its factorization.

12110221011222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12347874 (or 12347848 counting only the distinct ones).

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

Adding to 12110221011222 its reverse (22211012201121), we get a palindrome (34321233212343).

The spelling of 12110221011222 in words is "twelve trillion, one hundred ten billion, two hundred twenty-one million, eleven thousand, two hundred twenty-two".