11221330013 has 4 divisors (see below), whose sum is σ = 11222762460. Its totient is φ = 11219897568.

The previous prime is 11221329913. The next prime is 11221330033. The reversal of 11221330013 is 31003312211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31003312211 = 73 ⋅424702907.

It can be written as a sum of positive squares in 2 ways, for example, as 6769504729 + 4451825284 = 82277^2 + 66722^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11221330013 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11221329973 and 11221330000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11221330033) 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, 704408 + ... + 720161.

It is an arithmetic number, because the mean of its divisors is an integer number (2805690615).

Almost surely, 2^11221330013 is an apocalyptic number.

It is an amenable number.

11221330013 is a deficient number, since it is larger than the sum of its proper divisors (1432447).

11221330013 is an equidigital number, since it uses as much as digits as its factorization.

11221330013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432446.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 11221330013 its reverse (31003312211), we get a palindrome (42224642224).

The spelling of 11221330013 in words is "eleven billion, two hundred twenty-one million, three hundred thirty thousand, thirteen".