222102110111112 has 384 divisors, whose sum is σ = 794126786918400. Its totient is φ = 54291527424000.

The previous prime is 222102110111051. The next prime is 222102110111113. The reversal of 222102110111112 is 211111011201222.

It is a happy number.

222102110111112 is a `hidden beast` number, since 22 + 210 + 211 + 0 + 111 + 112 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (222102110111113) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1456149589 + ... + 1456302107.

It is an arithmetic number, because the mean of its divisors is an integer number (2068038507600).

Almost surely, 2^{222102110111112} is an apocalyptic number.

222102110111112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222102110111112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (397063393459200).

222102110111112 is an abundant number, since it is smaller than the sum of its proper divisors (572024676807288).

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

222102110111112 is a wasteful number, since it uses less digits than its factorization.

222102110111112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168017 (or 168010 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 222102110111112 its reverse (211111011201222), we get a palindrome (433213121312334).

The spelling of 222102110111112 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred ten million, one hundred eleven thousand, one hundred twelve".