11121100984 has 32 divisors (see below), whose sum is σ = 23937822720. Its totient is φ = 4744807776.

The previous prime is 11121100981. The next prime is 11121100993. The reversal of 11121100984 is 48900112111.

11121100984 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 (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11121100981) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 432784 + ... + 457759.

It is an arithmetic number, because the mean of its divisors is an integer number (748056960).

Almost surely, 2^11121100984 is an apocalyptic number.

11121100984 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

11121100984 is an abundant number, since it is smaller than the sum of its proper divisors (12816721736).

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

11121100984 is a wasteful number, since it uses less digits than its factorization.

11121100984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 890779 (or 890775 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 28.

The spelling of 11121100984 in words is "eleven billion, one hundred twenty-one million, one hundred thousand, nine hundred eighty-four".