100110220121212 has 96 divisors (see below), whose sum is σ = 211750101319680. Its totient is φ = 40455097202880.

The previous prime is 100110220121179. The next prime is 100110220121251. The reversal of 100110220121212 is 212121022011001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 409388493 + ... + 409632955.

It is an arithmetic number, because the mean of its divisors is an integer number (2205730222080).

Almost surely, 2^{100110220121212} 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 100110220121212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105875050659840).

100110220121212 is an abundant number, since it is smaller than the sum of its proper divisors (111639881198468).

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

100110220121212 is a wasteful number, since it uses less digits than its factorization.

100110220121212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 248111 (or 248109 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 100110220121212 its reverse (212121022011001), we get a palindrome (312231242132213).

The spelling of 100110220121212 in words is "one hundred trillion, one hundred ten billion, two hundred twenty million, one hundred twenty-one thousand, two hundred twelve".