11321213100000 has 144 divisors (see below), whose sum is σ = 37145354013936. Its totient is φ = 3018990080000.

The previous prime is 11321213099929. The next prime is 11321213100013. The reversal of 11321213100000 is 131212311.

It is a happy number.

It is a super-2 number, since 2×11321213100000² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18568689 + ... + 19168688.

It is an arithmetic number, because the mean of its divisors is an integer number (257953847319).

Almost surely, 2^{11321213100000} is an apocalyptic number.

11321213100000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321213100000 is an abundant number, since it is smaller than the sum of its proper divisors (25824140913936).

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

11321213100000 is an frugal number, since it uses more digits than its factorization.

11321213100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37737415 (or 37737387 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11321213100000 its reverse (131212311), we get a palindrome (11321344312311).

The spelling of 11321213100000 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred thousand".