11112100202209 has 4 divisors (see below), whose sum is σ = 11130051899440. Its totient is φ = 11094148504980.

The previous prime is 11112100202183. The next prime is 11112100202237. The reversal of 11112100202209 is 90220200121111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11112100202209 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 11112100202209.

It is not an unprimeable number, because it can be changed into a prime (11112100202239) 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, 8975847687 + ... + 8975848924.

It is an arithmetic number, because the mean of its divisors is an integer number (2782512974860).

Almost surely, 2^{11112100202209} is an apocalyptic number.

It is an amenable number.

11112100202209 is a deficient number, since it is larger than the sum of its proper divisors (17951697231).

11112100202209 is an equidigital number, since it uses as much as digits as its factorization.

11112100202209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17951697230.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 11112100202209 in words is "eleven trillion, one hundred twelve billion, one hundred million, two hundred two thousand, two hundred nine".