222110120000 has 140 divisors (see below), whose sum is σ = 564198270636. Its totient is φ = 86676480000.

The previous prime is 222110119991. The next prime is 222110120017. The reversal of 222110120000 is 21011222.

It is a happy number.

222110120000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 10 ways, for example, as 150444688384 + 71665431616 = 387872^2 + 267704^2 .

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 19 ways as a sum of consecutive naturals, for example, 1572284 + ... + 1707716.

Almost surely, 2^222110120000 is an apocalyptic number.

222110120000 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 222110120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (282099135318).

222110120000 is an abundant number, since it is smaller than the sum of its proper divisors (342088150636).

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

222110120000 is an equidigital number, since it uses as much as digits as its factorization.

222110120000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135506 (or 135481 counting only the distinct ones).

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

Adding to 222110120000 its reverse (21011222), we get a palindrome (222131131222).

The spelling of 222110120000 in words is "two hundred twenty-two billion, one hundred ten million, one hundred twenty thousand".