111101022112009 has 16 divisors (see below), whose sum is σ = 112812695453952. Its totient is φ = 109390933225728.

The previous prime is 111101022112001. The next prime is 111101022112013. The reversal of 111101022112009 is 900211220101111.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 111101022112009 - 2³ = 111101022112001 is a prime.

It is a super-3 number, since 3×111101022112009³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111101022112001) 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, 1305446352 + ... + 1305531454.

It is an arithmetic number, because the mean of its divisors is an integer number (7050793465872).

Almost surely, 2^{111101022112009} is an apocalyptic number.

It is an amenable number.

111101022112009 is a deficient number, since it is larger than the sum of its proper divisors (1711673341943).

111101022112009 is an equidigital number, since it uses as much as digits as its factorization.

111101022112009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94176.

The product of its (nonzero) digits is 72, while the sum is 22.

The spelling of 111101022112009 in words is "one hundred eleven trillion, one hundred one billion, twenty-two million, one hundred twelve thousand, nine".