110212122222 has 192 divisors, whose sum is σ = 257851496448. Its totient is φ = 33965568000.

The previous prime is 110212122199. The next prime is 110212122233. The reversal of 110212122222 is 222221212011.

It is a happy number.

110212122222 is a `hidden beast` number, since 110 + 212 + 122 + 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 = 110212122195 and 110212122204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 211539322 + ... + 211539842.

It is an arithmetic number, because the mean of its divisors is an integer number (1342976544).

Almost surely, 2^110212122222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 110212122222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128925748224).

110212122222 is an abundant number, since it is smaller than the sum of its proper divisors (147639374226).

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

110212122222 is a wasteful number, since it uses less digits than its factorization.

110212122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 795 (or 792 counting only the distinct ones).

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

Adding to 110212122222 its reverse (222221212011), we get a palindrome (332433334233).

The spelling of 110212122222 in words is "one hundred ten billion, two hundred twelve million, one hundred twenty-two thousand, two hundred twenty-two".