112101001122109 has 4 divisors (see below), whose sum is σ = 112101137432604. Its totient is φ = 112100864811616.

The previous prime is 112101001122053. The next prime is 112101001122211. The reversal of 112101001122109 is 901221100101211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 67753525950009 + 44347475172100 = 8231253^2 + 6659390^2 .

It is a cyclic number.

It is not a de Polignac number, because 112101001122109 - 2²¹ = 112100999024957 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 112101001122109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112101001182109) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66914122 + ... + 68568955.

It is an arithmetic number, because the mean of its divisors is an integer number (28025284358151).

Almost surely, 2^{112101001122109} is an apocalyptic number.

It is an amenable number.

112101001122109 is a deficient number, since it is larger than the sum of its proper divisors (136310495).

112101001122109 is an equidigital number, since it uses as much as digits as its factorization.

112101001122109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136310494.

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

The spelling of 112101001122109 in words is "one hundred twelve trillion, one hundred one billion, one million, one hundred twenty-two thousand, one hundred nine".