222221121022000 has 160 divisors (see below), whose sum is σ = 550470353142528. Its totient is φ = 86715072000000.

The previous prime is 222221121021917. The next prime is 222221121022037. The reversal of 222221121022000 is 220121122222.

222221121022000 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1485847225 + ... + 1485996775.

Almost surely, 2^{222221121022000} is an apocalyptic number.

222221121022000 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 222221121022000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (275235176571264).

222221121022000 is an abundant number, since it is smaller than the sum of its proper divisors (328249232120528).

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

222221121022000 is a wasteful number, since it uses less digits than its factorization.

222221121022000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167736 (or 167720 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222221121022000 its reverse (220121122222), we get a palindrome (222441242144222).

The spelling of 222221121022000 in words is "two hundred twenty-two trillion, two hundred twenty-one billion, one hundred twenty-one million, twenty-two thousand".