100011111122212 has 48 divisors (see below), whose sum is σ = 178425137294208. Its totient is φ = 49041980691200.

The previous prime is 100011111122207. The next prime is 100011111122213. The reversal of 100011111122212 is 212221111110001.

It is not an unprimeable number, because it can be changed into a prime (100011111122213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 380577648 + ... + 380840344.

It is an arithmetic number, because the mean of its divisors is an integer number (3717190360296).

Almost surely, 2^{100011111122212} is an apocalyptic number.

It is an amenable number.

100011111122212 is a deficient number, since it is larger than the sum of its proper divisors (78414026171996).

100011111122212 is a wasteful number, since it uses less digits than its factorization.

100011111122212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271716 (or 271714 counting only the distinct ones).

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

Adding to 100011111122212 its reverse (212221111110001), we get a palindrome (312232222232213).

The spelling of 100011111122212 in words is "one hundred trillion, eleven billion, one hundred eleven million, one hundred twenty-two thousand, two hundred twelve".