11211100011100 has 54 divisors (see below), whose sum is σ = 26740789898312. Its totient is φ = 4076763636000.

The previous prime is 11211100011077. The next prime is 11211100011107. The reversal of 11211100011100 is 111000111211.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11211100011107) by changing a digit.

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 17 ways as a sum of consecutive naturals, for example, 463256496 + ... + 463280695.

Almost surely, 2^{11211100011100} is an apocalyptic number.

11211100011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11211100011100 is an abundant number, since it is smaller than the sum of its proper divisors (15529689887212).

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

11211100011100 is a wasteful number, since it uses less digits than its factorization.

11211100011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 926537227 (or 926537209 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 11211100011100 its reverse (111000111211), we get a palindrome (11322100122311).

The spelling of 11211100011100 in words is "eleven trillion, two hundred eleven billion, one hundred million, eleven thousand, one hundred".