11321211302100 has 288 divisors, whose sum is σ = 41634618547200. Its totient is φ = 2585238768000.

The previous prime is 11321211301993. The next prime is 11321211302237. The reversal of 11321211302100 is 120311212311.

11321211302100 is a `hidden beast` number, since 1 + 1 + 321 + 2 + 1 + 130 + 210 + 0 = 666.

11321211302100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 19578931 + ... + 20148869.

Almost surely, 2^{11321211302100} is an apocalyptic number.

11321211302100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11321211302100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20817309273600).

11321211302100 is an abundant number, since it is smaller than the sum of its proper divisors (30313407245100).

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

11321211302100 is a wasteful number, since it uses less digits than its factorization.

11321211302100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571020 (or 571007 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11321211302100 its reverse (120311212311), we get a palindrome (11441522514411).

The spelling of 11321211302100 in words is "eleven trillion, three hundred twenty-one billion, two hundred eleven million, three hundred two thousand, one hundred".