100001222112111 has 8 divisors (see below), whose sum is σ = 133335018383280. Its totient is φ = 66667453624512.

The previous prime is 100001222111983. The next prime is 100001222112163. The reversal of 100001222112111 is 111211222100001.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 100001222112111 - 2⁷ = 100001222111983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100001222112511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3849261 + ... + 14656713.

It is an arithmetic number, because the mean of its divisors is an integer number (16666877297910).

Almost surely, 2^{100001222112111} is an apocalyptic number.

100001222112111 is a deficient number, since it is larger than the sum of its proper divisors (33333796271169).

100001222112111 is a wasteful number, since it uses less digits than its factorization.

100001222112111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13891785.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 100001222112111 its reverse (111211222100001), we get a palindrome (211212444212112).

The spelling of 100001222112111 in words is "one hundred trillion, one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred eleven".