11220022213 has 4 divisors (see below), whose sum is σ = 11282011468. Its totient is φ = 11158032960.

The previous prime is 11220022201. The next prime is 11220022237. The reversal of 11220022213 is 31222002211.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 98843364 + 11121178849 = 9942^2 + 105457^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220022213 - 2⁵ = 11220022181 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 (11220022243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30994356 + ... + 30994717.

It is an arithmetic number, because the mean of its divisors is an integer number (2820502867).

Almost surely, 2^11220022213 is an apocalyptic number.

It is an amenable number.

11220022213 is a deficient number, since it is larger than the sum of its proper divisors (61989255).

11220022213 is an equidigital number, since it uses as much as digits as its factorization.

11220022213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61989254.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 11220022213 its reverse (31222002211), we get a palindrome (42442024424).

The spelling of 11220022213 in words is "eleven billion, two hundred twenty million, twenty-two thousand, two hundred thirteen".