222210212221120 has 112 divisors (see below), whose sum is σ = 531519343705440. Its totient is φ = 88484596023296.

The previous prime is 222210212221087. The next prime is 222210212221121. The reversal of 222210212221120 is 21122212012222.

It is a junction number, because it is equal to n+sod(n) for n = 222210212221091 and 222210212221100.

It is not an unprimeable number, because it can be changed into a prime (222210212221121) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 109434624 + ... + 111446656.

Almost surely, 2^{222210212221120} is an apocalyptic number.

222210212221120 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 222210212221120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (265759671852720).

222210212221120 is an abundant number, since it is smaller than the sum of its proper divisors (309309131484320).

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

222210212221120 is a wasteful number, since it uses less digits than its factorization.

222210212221120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2013602 (or 2013592 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222210212221120 its reverse (21122212012222), we get a palindrome (243332424233342).

The spelling of 222210212221120 in words is "two hundred twenty-two trillion, two hundred ten billion, two hundred twelve million, two hundred twenty-one thousand, one hundred twenty".