11310202221209 has 4 divisors (see below), whose sum is σ = 11317153791504. Its totient is φ = 11303250650916.

The previous prime is 11310202221191. The next prime is 11310202221217. The reversal of 11310202221209 is 90212220201311.

11310202221209 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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-11310202221209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11310202221229) 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, 3475782707 + ... + 3475785960.

It is an arithmetic number, because the mean of its divisors is an integer number (2829288447876).

Almost surely, 2^{11310202221209} is an apocalyptic number.

It is an amenable number.

11310202221209 is a deficient number, since it is larger than the sum of its proper divisors (6951570295).

11310202221209 is an equidigital number, since it uses as much as digits as its factorization.

11310202221209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6951570294.

The product of its (nonzero) digits is 864, while the sum is 26.

The spelling of 11310202221209 in words is "eleven trillion, three hundred ten billion, two hundred two million, two hundred twenty-one thousand, two hundred nine".