11212011100 has 18 divisors (see below), whose sum is σ = 24330064304. Its totient is φ = 4484804400.

The previous prime is 11212011073. The next prime is 11212011119. The reversal of 11212011100 is 111021211.

11212011100 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 (10).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 56059956 + ... + 56060155.

Almost surely, 2^11212011100 is an apocalyptic number.

11212011100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11212011100 is an abundant number, since it is smaller than the sum of its proper divisors (13118053204).

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

11212011100 is a wasteful number, since it uses less digits than its factorization.

11212011100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112120125 (or 112120118 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11212011100 its reverse (111021211), we get a palindrome (11323032311).

The spelling of 11212011100 in words is "eleven billion, two hundred twelve million, eleven thousand, one hundred".