11321031112 has 32 divisors (see below), whose sum is σ = 22864366080. Its totient is φ = 5239745280.

The previous prime is 11321031101. The next prime is 11321031121. The reversal of 11321031112 is 21113012311.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 986673 + ... + 998080.

It is an arithmetic number, because the mean of its divisors is an integer number (714511440).

Almost surely, 2^11321031112 is an apocalyptic number.

It is an amenable number.

11321031112 is an abundant number, since it is smaller than the sum of its proper divisors (11543334968).

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

11321031112 is a wasteful number, since it uses less digits than its factorization.

11321031112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1984813 (or 1984809 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11321031112 its reverse (21113012311), we get a palindrome (32434043423).

The spelling of 11321031112 in words is "eleven billion, three hundred twenty-one million, thirty-one thousand, one hundred twelve".