11212011111100 has 18 divisors (see below), whose sum is σ = 24330064111304. Its totient is φ = 4484804444400.

The previous prime is 11212011111083. The next prime is 11212011111109. The reversal of 11212011111100 is 111111021211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11212011111109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56060055456 + ... + 56060055655.

Almost surely, 2^{11212011111100} is an apocalyptic number.

11212011111100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212011111100 is an abundant number, since it is smaller than the sum of its proper divisors (13118053000204).

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

11212011111100 is a wasteful number, since it uses less digits than its factorization.

11212011111100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112120111125 (or 112120111118 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11212011111100 its reverse (111111021211), we get a palindrome (11323122132311).

It can be divided in two parts, 112120111 and 11100, that added together give a palindrome (112131211).

The spelling of 11212011111100 in words is "eleven trillion, two hundred twelve billion, eleven million, one hundred eleven thousand, one hundred".