11212003321000 has 32 divisors (see below), whose sum is σ = 26236087773480. Its totient is φ = 4484801328000.

The previous prime is 11212003320967. The next prime is 11212003321039. The reversal of 11212003321000 is 12330021211.

It can be written as a sum of positive squares in 4 ways, for example, as 1552451208676 + 9659552112324 = 1245974^2 + 3107982^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5606000661 + ... + 5606002660.

Almost surely, 2^{11212003321000} is an apocalyptic number.

11212003321000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212003321000 is an abundant number, since it is smaller than the sum of its proper divisors (15024084452480).

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

11212003321000 is a wasteful number, since it uses less digits than its factorization.

11212003321000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11212003342 (or 11212003328 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 11212003321000 its reverse (12330021211), we get a palindrome (11224333342211).

The spelling of 11212003321000 in words is "eleven trillion, two hundred twelve billion, three million, three hundred twenty-one thousand".