1121121104 has 20 divisors (see below), whose sum is σ = 2183550720. Its totient is φ = 557624160.

The previous prime is 1121121103. The next prime is 1121121263. The reversal of 1121121104 is 4011211211.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121121103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 180374 + ... + 186485.

It is an arithmetic number, because the mean of its divisors is an integer number (109177536).

Almost surely, 2^1121121104 is an apocalyptic number.

It is an amenable number.

1121121104 is a deficient number, since it is larger than the sum of its proper divisors (1062429616).

1121121104 is a wasteful number, since it uses less digits than its factorization.

1121121104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367058 (or 367052 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

The square root of 1121121104 is about 33483.1465665938. The cubic root of 1121121104 is about 1038.8452123126.

Adding to 1121121104 its reverse (4011211211), we get a palindrome (5132332315).

The spelling of 1121121104 in words is "one billion, one hundred twenty-one million, one hundred twenty-one thousand, one hundred four".