11221332312 has 32 divisors (see below), whose sum is σ = 28737560880. Its totient is φ = 3649213440.

The previous prime is 11221332301. The next prime is 11221332337. The reversal of 11221332312 is 21323312211.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 5700913 + ... + 5702880.

Almost surely, 2^11221332312 is an apocalyptic number.

11221332312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11221332312 is an abundant number, since it is smaller than the sum of its proper divisors (17516228568).

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

11221332312 is a wasteful number, since it uses less digits than its factorization.

11221332312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11403843 (or 11403839 counting only the distinct ones).

The product of its digits is 432, while the sum is 21.

Adding to 11221332312 its reverse (21323312211), we get a palindrome (32544644523).

The spelling of 11221332312 in words is "eleven billion, two hundred twenty-one million, three hundred thirty-two thousand, three hundred twelve".