100000221022212 has 192 divisors, whose sum is σ = 279536238643200. Its totient is φ = 27792079039872.

The previous prime is 100000221022201. The next prime is 100000221022277. The reversal of 100000221022212 is 212220122000001.

It is a super-3 number, since 3×100000221022212³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 100000221022191 and 100000221022200.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 601013343 + ... + 601179705.

It is an arithmetic number, because the mean of its divisors is an integer number (1455917909600).

Almost surely, 2^{100000221022212} is an apocalyptic number.

100000221022212 is a gapful number since it is divisible by the number (12) 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 100000221022212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139768119321600).

100000221022212 is an abundant number, since it is smaller than the sum of its proper divisors (179536017620988).

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

100000221022212 is a wasteful number, since it uses less digits than its factorization.

100000221022212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170375 (or 170359 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 100000221022212 its reverse (212220122000001), we get a palindrome (312220343022213).

The spelling of 100000221022212 in words is "one hundred trillion, two hundred twenty-one million, twenty-two thousand, two hundred twelve".