222120112110 has 192 divisors, whose sum is σ = 593661229056. Its totient is φ = 53131852800.

The previous prime is 222120112079. The next prime is 222120112127. The reversal of 222120112110 is 11211021222.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 222120112110.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 56330799 + ... + 56334741.

It is an arithmetic number, because the mean of its divisors is an integer number (3091985568).

Almost surely, 2^222120112110 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222120112110, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (296830614528).

222120112110 is an abundant number, since it is smaller than the sum of its proper divisors (371541116946).

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

222120112110 is a wasteful number, since it uses less digits than its factorization.

222120112110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291 (or 4278 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222120112110 its reverse (11211021222), we get a palindrome (233331133332).

The spelling of 222120112110 in words is "two hundred twenty-two billion, one hundred twenty million, one hundred twelve thousand, one hundred ten".