11321221330012 has 12 divisors (see below), whose sum is σ = 21613240721016. Its totient is φ = 5146009695440.

The previous prime is 11321221329989. The next prime is 11321221330037. The reversal of 11321221330012 is 21003312212311.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 128650242343 + ... + 128650242430.

It is an arithmetic number, because the mean of its divisors is an integer number (1801103393418).

Almost surely, 2^{11321221330012} is an apocalyptic number.

It is an amenable number.

11321221330012 is a deficient number, since it is larger than the sum of its proper divisors (10292019391004).

11321221330012 is a wasteful number, since it uses less digits than its factorization.

11321221330012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257300484788 (or 257300484786 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 11321221330012 its reverse (21003312212311), we get a palindrome (32324533542323).

The spelling of 11321221330012 in words is "eleven trillion, three hundred twenty-one billion, two hundred twenty-one million, three hundred thirty thousand, twelve".