11122202309 has 4 divisors (see below), whose sum is σ = 11262989760. Its totient is φ = 10981414860.

The previous prime is 11122202303. The next prime is 11122202317. The reversal of 11122202309 is 90320222111.

It is a happy number.

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-11122202309 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11122202303) 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, 70393607 + ... + 70393764.

It is an arithmetic number, because the mean of its divisors is an integer number (2815747440).

Almost surely, 2^11122202309 is an apocalyptic number.

It is an amenable number.

11122202309 is a deficient number, since it is larger than the sum of its proper divisors (140787451).

11122202309 is an equidigital number, since it uses as much as digits as its factorization.

11122202309 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140787450.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 11122202309 in words is "eleven billion, one hundred twenty-two million, two hundred two thousand, three hundred nine".