11313221022 has 32 divisors (see below), whose sum is σ = 25184743200. Its totient is φ = 3764435904.

The previous prime is 11313221021. The next prime is 11313221077. The reversal of 11313221022 is 22012231311.

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 = 11313220986 and 11313221004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313221021) 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, 153373 + ... + 214824.

It is an arithmetic number, because the mean of its divisors is an integer number (787023225).

Almost surely, 2^11313221022 is an apocalyptic number.

11313221022 is an abundant number, since it is smaller than the sum of its proper divisors (13871522178).

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

11313221022 is a wasteful number, since it uses less digits than its factorization.

11313221022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368777 (or 368771 counting only the distinct ones).

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

Adding to 11313221022 its reverse (22012231311), we get a palindrome (33325452333).

The spelling of 11313221022 in words is "eleven billion, three hundred thirteen million, two hundred twenty-one thousand, twenty-two".