100112211222112 has 96 divisors (see below), whose sum is σ = 205792495050240. Its totient is φ = 47850154091520.

The previous prime is 100112211222097. The next prime is 100112211222139. The reversal of 100112211222112 is 211222112211001.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 100112211222112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11724109939 + ... + 11724118477.

It is an arithmetic number, because the mean of its divisors is an integer number (2143671823440).

Almost surely, 2^{100112211222112} is an apocalyptic number.

It is an amenable number.

100112211222112 is an abundant number, since it is smaller than the sum of its proper divisors (105680283828128).

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

100112211222112 is a wasteful number, since it uses less digits than its factorization.

100112211222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16556 (or 16548 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 19.

Adding to 100112211222112 its reverse (211222112211001), we get a palindrome (311334323433113).

The spelling of 100112211222112 in words is "one hundred trillion, one hundred twelve billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twelve".