11301321222 has 48 divisors (see below), whose sum is σ = 24574784832. Its totient is φ = 3753509760.

The previous prime is 11301321197. The next prime is 11301321223. The reversal of 11301321222 is 22212310311.

It is a super-2 number, since 2×11301321222² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 11301321195 and 11301321204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11301321223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 10117008 + ... + 10118124.

It is an arithmetic number, because the mean of its divisors is an integer number (511974684).

Almost surely, 2^11301321222 is an apocalyptic number.

11301321222 is an abundant number, since it is smaller than the sum of its proper divisors (13273463610).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11301321222 is a wasteful number, since it uses less digits than its factorization.

11301321222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653 (or 2650 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 11301321222 its reverse (22212310311), we get a palindrome (33513631533).

The spelling of 11301321222 in words is "eleven billion, three hundred one million, three hundred twenty-one thousand, two hundred twenty-two".