1121011104 has 24 divisors (see below), whose sum is σ = 2942654400. Its totient is φ = 373670336.

The previous prime is 1121011081. The next prime is 1121011123. The reversal of 1121011104 is 4011101211.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a self number, because there is not a number n which added to its sum of digits gives 1121011104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5838504 + ... + 5838695.

It is an arithmetic number, because the mean of its divisors is an integer number (122610600).

Almost surely, 2^1121011104 is an apocalyptic number.

It is an amenable number.

1121011104 is an abundant number, since it is smaller than the sum of its proper divisors (1821643296).

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

1121011104 is a wasteful number, since it uses less digits than its factorization.

1121011104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11677212 (or 11677204 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

The square root of 1121011104 is about 33481.5039088748. The cubic root of 1121011104 is about 1038.8112353972.

Adding to 1121011104 its reverse (4011101211), we get a palindrome (5132112315).

The spelling of 1121011104 in words is "one billion, one hundred twenty-one million, eleven thousand, one hundred four".