100222102010212 has 96 divisors (see below), whose sum is σ = 218014625267712. Its totient is φ = 39253302988416.

The previous prime is 100222102010201. The next prime is 100222102010213. The reversal of 100222102010212 is 212010201222001.

It is a happy number.

It is a super-2 number, since 2×100222102010212² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (100222102010213) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146740413 + ... + 147421819.

It is an arithmetic number, because the mean of its divisors is an integer number (2270985679872).

Almost surely, 2^{100222102010212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 100222102010212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109007312633856).

100222102010212 is an abundant number, since it is smaller than the sum of its proper divisors (117792523257500).

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

100222102010212 is a wasteful number, since it uses less digits than its factorization.

100222102010212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685457 (or 685455 counting only the distinct ones).

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

Adding to 100222102010212 its reverse (212010201222001), we get a palindrome (312232303232213).

The spelling of 100222102010212 in words is "one hundred trillion, two hundred twenty-two billion, one hundred two million, ten thousand, two hundred twelve".