11243041222213 has 4 divisors (see below), whose sum is σ = 11243069062240. Its totient is φ = 11243013382188.

The previous prime is 11243041222199. The next prime is 11243041222219. The reversal of 11243041222213 is 31222214034211.

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 not a de Polignac number, because 11243041222213 - 2²⁹ = 11242504351301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11243041222219) 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, 13305195 + ... + 14124952.

It is an arithmetic number, because the mean of its divisors is an integer number (2810767265560).

Almost surely, 2^{11243041222213} is an apocalyptic number.

It is an amenable number.

11243041222213 is a deficient number, since it is larger than the sum of its proper divisors (27840027).

11243041222213 is an equidigital number, since it uses as much as digits as its factorization.

11243041222213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27840026.

The product of its (nonzero) digits is 4608, while the sum is 28.

Adding to 11243041222213 its reverse (31222214034211), we get a palindrome (42465255256424).

The spelling of 11243041222213 in words is "eleven trillion, two hundred forty-three billion, forty-one million, two hundred twenty-two thousand, two hundred thirteen".