100222112221000 has 320 divisors, whose sum is σ = 298461991800960. Its totient is φ = 31238052720000.

The previous prime is 100222112220961. The next prime is 100222112221069. The reversal of 100222112221000 is 122211222001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 24513645 + ... + 28308355.

It is an arithmetic number, because the mean of its divisors is an integer number (932693724378).

Almost surely, 2^{100222112221000} is an apocalyptic number.

100222112221000 is a gapful number since it is divisible by the number (10) 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 100222112221000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149230995900480).

100222112221000 is an abundant number, since it is smaller than the sum of its proper divisors (198239879579960).

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

100222112221000 is an equidigital number, since it uses as much as digits as its factorization.

100222112221000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3794771 (or 3794736 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 100222112221000 its reverse (122211222001), we get a palindrome (100344323443001).

The spelling of 100222112221000 in words is "one hundred trillion, two hundred twenty-two billion, one hundred twelve million, two hundred twenty-one thousand".