11221313043 has 16 divisors (see below), whose sum is σ = 15047634080. Its totient is φ = 7438023936.

The previous prime is 11221313039. The next prime is 11221313057. The reversal of 11221313043 is 34031312211.

It is not a de Polignac number, because 11221313043 - 2² = 11221313039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11221313093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509271 + ... + 530847.

It is an arithmetic number, because the mean of its divisors is an integer number (940477130).

Almost surely, 2^11221313043 is an apocalyptic number.

11221313043 is a deficient number, since it is larger than the sum of its proper divisors (3826321037).

11221313043 is a wasteful number, since it uses less digits than its factorization.

11221313043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22566.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11221313043 its reverse (34031312211), we get a palindrome (45252625254).

The spelling of 11221313043 in words is "eleven billion, two hundred twenty-one million, three hundred thirteen thousand, forty-three".