222112221200000 has 384 divisors, whose sum is σ = 558678167308800. Its totient is φ = 87946560000000.

The previous prime is 222112221199951. The next prime is 222112221200011. The reversal of 222112221200000 is 2122211222.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 68321198375 + ... + 68321201625.

It is an arithmetic number, because the mean of its divisors is an integer number (1454891060700).

Almost surely, 2^{222112221200000} is an apocalyptic number.

222112221200000 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 222112221200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279339083654400).

222112221200000 is an abundant number, since it is smaller than the sum of its proper divisors (336565946108800).

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

222112221200000 is an equidigital number, since it uses as much as digits as its factorization.

222112221200000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4966 (or 4934 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222112221200000 its reverse (2122211222), we get a palindrome (222114343411222).

The spelling of 222112221200000 in words is "two hundred twenty-two trillion, one hundred twelve billion, two hundred twenty-one million, two hundred thousand".