222110000120 has 64 divisors (see below), whose sum is σ = 512764369920. Its totient is φ = 86541162624.

The previous prime is 222110000117. The next prime is 222110000173. The reversal of 222110000120 is 21000011222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 455309 + ... + 807171.

It is an arithmetic number, because the mean of its divisors is an integer number (8011943280).

Almost surely, 2^222110000120 is an apocalyptic number.

222110000120 is a gapful number since it is divisible by the number (20) 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 222110000120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (256382184960).

222110000120 is an abundant number, since it is smaller than the sum of its proper divisors (290654369800).

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

222110000120 is a wasteful number, since it uses less digits than its factorization.

222110000120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352284 (or 352280 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 222110000120 its reverse (21000011222), we get a palindrome (243110011342).

The spelling of 222110000120 in words is "two hundred twenty-two billion, one hundred ten million, one hundred twenty", and thus it is an aban number.