11321213099999 has 4 divisors (see below), whose sum is σ = 12350414290920. Its totient is φ = 10292011909080.

The previous prime is 11321213099929. The next prime is 11321213100013. The reversal of 11321213099999 is 99999031212311.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 11321213099999 - 2³⁶ = 11252493623263 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321213099929) 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, 514600595444 + ... + 514600595465.

It is an arithmetic number, because the mean of its divisors is an integer number (3087603572730).

Almost surely, 2^{11321213099999} is an apocalyptic number.

11321213099999 is a deficient number, since it is larger than the sum of its proper divisors (1029201190921).

11321213099999 is a wasteful number, since it uses less digits than its factorization.

11321213099999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1029201190920.

The product of its (nonzero) digits is 2125764, while the sum is 59.

The spelling of 11321213099999 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirteen million, ninety-nine thousand, nine hundred ninety-nine".