1121331121104 has 40 divisors (see below), whose sum is σ = 2896820697760. Its totient is φ = 373770764928.

The previous prime is 1121331121093. The next prime is 1121331121117. The reversal of 1121331121104 is 4011211331211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3355887 + ... + 3674865.

It is an arithmetic number, because the mean of its divisors is an integer number (72420517444).

Almost surely, 2^{1121331121104} is an apocalyptic number.

It is an amenable number.

1121331121104 is an abundant number, since it is smaller than the sum of its proper divisors (1775489576656).

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

1121331121104 is a wasteful number, since it uses less digits than its factorization.

1121331121104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 392227 (or 392221 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 1121331121104 its reverse (4011211331211), we get a palindrome (5132542452315).

The spelling of 1121331121104 in words is "one trillion, one hundred twenty-one billion, three hundred thirty-one million, one hundred twenty-one thousand, one hundred four".