11313221132 has 12 divisors (see below), whose sum is σ = 20962733400. Its totient is φ = 5323868736.

The previous prime is 11313221123. The next prime is 11313221137. The reversal of 11313221132 is 23112231311.

It is a happy number.

It is a super-2 number, since 2×11313221132² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11313221137) 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, 83185382 + ... + 83185517.

It is an arithmetic number, because the mean of its divisors is an integer number (1746894450).

Almost surely, 2^11313221132 is an apocalyptic number.

It is an amenable number.

11313221132 is a deficient number, since it is larger than the sum of its proper divisors (9649512268).

11313221132 is a wasteful number, since it uses less digits than its factorization.

11313221132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166370920 (or 166370918 counting only the distinct ones).

The product of its digits is 216, while the sum is 20.

Adding to 11313221132 its reverse (23112231311), we get a palindrome (34425452443).

The spelling of 11313221132 in words is "eleven billion, three hundred thirteen million, two hundred twenty-one thousand, one hundred thirty-two".