11112000121309 has 4 divisors (see below), whose sum is σ = 11122019960220. Its totient is φ = 11101980282400.

The previous prime is 11112000121273. The next prime is 11112000121351. The reversal of 11112000121309 is 90312100021111.

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 5073170616900 + 6038829504409 = 2252370^2 + 2457403^2 .

It is a cyclic number.

It is not a de Polignac number, because 11112000121309 - 2²³ = 11111991732701 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 11112000121309.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11112000121009) 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, 5009917792 + ... + 5009920009.

It is an arithmetic number, because the mean of its divisors is an integer number (2780504990055).

Almost surely, 2^{11112000121309} is an apocalyptic number.

It is an amenable number.

11112000121309 is a deficient number, since it is larger than the sum of its proper divisors (10019838911).

11112000121309 is a wasteful number, since it uses less digits than its factorization.

11112000121309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10019838910.

The product of its (nonzero) digits is 108, while the sum is 22.

The spelling of 11112000121309 in words is "eleven trillion, one hundred twelve billion, one hundred twenty-one thousand, three hundred nine".