100112100001209 has 12 divisors (see below), whose sum is σ = 144607062514096. Its totient is φ = 66741078841272.

The previous prime is 100112100001141. The next prime is 100112100001211. The reversal of 100112100001209 is 902100001211001.

It is a happy number.

It is not a de Polignac number, because 100112100001209 - 2⁹ = 100112100000697 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100112100001191 and 100112100001200.

It is not an unprimeable number, because it can be changed into a prime (100112100001609) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24781339 + ... + 28536624.

Almost surely, 2^{100112100001209} is an apocalyptic number.

It is an amenable number.

100112100001209 is a deficient number, since it is larger than the sum of its proper divisors (44494962512887).

100112100001209 is a wasteful number, since it uses less digits than its factorization.

100112100001209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53526596 (or 53526593 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

The spelling of 100112100001209 in words is "one hundred trillion, one hundred twelve billion, one hundred million, one thousand, two hundred nine".