222122211120000 has 800 divisors, whose sum is σ = 861940453326480. Its totient is φ = 56657221632000.

The previous prime is 222122211119987. The next prime is 222122211120079. The reversal of 222122211120000 is 21112221222.

It is a happy number.

222122211120000 is a `hidden beast` number, since 22 + 212 + 221 + 11 + 200 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (800).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 99 ways as a sum of consecutive naturals, for example, 148294824 + ... + 149785176.

Almost surely, 2^{222122211120000} is an apocalyptic number.

222122211120000 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 222122211120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (430970226663240).

222122211120000 is an abundant number, since it is smaller than the sum of its proper divisors (639818242206480).

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

222122211120000 is an equidigital number, since it uses as much as digits as its factorization.

222122211120000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1490422 (or 1490386 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 222122211120000 its reverse (21112221222), we get a palindrome (222143323341222).

The spelling of 222122211120000 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, two hundred eleven million, one hundred twenty thousand".