11331121211100 has 54 divisors (see below), whose sum is σ = 35516769932280. Its totient is φ = 3021632322720.

The previous prime is 11331121211099. The next prime is 11331121211171. The reversal of 11331121211100 is 111212113311.

11331121211100 is a `hidden beast` number, since 1 + 1 + 331 + 1 + 21 + 211 + 100 = 666.

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 17 ways as a sum of consecutive naturals, for example, 6295066440 + ... + 6295068239.

Almost surely, 2^{11331121211100} is an apocalyptic number.

11331121211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331121211100 is an abundant number, since it is smaller than the sum of its proper divisors (24185648721180).

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

11331121211100 is a wasteful number, since it uses less digits than its factorization.

11331121211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12590134699 (or 12590134689 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 11331121211100 its reverse (111212113311), we get a palindrome (11442333324411).

The spelling of 11331121211100 in words is "eleven trillion, three hundred thirty-one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred".