11321213100100 has 36 divisors (see below), whose sum is σ = 24567599209300. Its totient is φ = 4528380764160.

The previous prime is 11321213100059. The next prime is 11321213100193. The reversal of 11321213100100 is 100131212311.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 575561960964 + 10745651139136 = 758658^2 + 3278056^2 .

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 11 ways as a sum of consecutive naturals, for example, 3124996 + ... + 5692804.

Almost surely, 2^{11321213100100} is an apocalyptic number.

11321213100100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11321213100100 is an abundant number, since it is smaller than the sum of its proper divisors (13246386109200).

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

11321213100100 is a wasteful number, since it uses less digits than its factorization.

11321213100100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2611912 (or 2611905 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 11321213100100 its reverse (100131212311), we get a palindrome (11421344312411).

The spelling of 11321213100100 in words is "eleven trillion, three hundred twenty-one billion, two hundred thirteen million, one hundred thousand, one hundred".