11112211100 has 36 divisors (see below), whose sum is σ = 24418749600. Its totient is φ = 4388616960.

The previous prime is 11112211093. The next prime is 11112211127. The reversal of 11112211100 is 111221111.

11112211100 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 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 11 ways as a sum of consecutive naturals, for example, 695405 + ... + 711204.

It is an arithmetic number, because the mean of its divisors is an integer number (678298600).

Almost surely, 2^11112211100 is an apocalyptic number.

11112211100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11112211100 is an abundant number, since it is smaller than the sum of its proper divisors (13306538500).

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

11112211100 is a wasteful number, since it uses less digits than its factorization.

11112211100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1406702 (or 1406695 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11112211100 its reverse (111221111), we get a palindrome (11223432211).

The spelling of 11112211100 in words is "eleven billion, one hundred twelve million, two hundred eleven thousand, one hundred".