1121331211120 has 20 divisors (see below), whose sum is σ = 2607095066040. Its totient is φ = 448532484416.

The previous prime is 1121331211057. The next prime is 1121331211129. The reversal of 1121331211120 is 211121331211.

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121331211129) 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, 7008319990 + ... + 7008320149.

It is an arithmetic number, because the mean of its divisors is an integer number (130354753302).

Almost surely, 2^{1121331211120} is an apocalyptic number.

1121331211120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121331211120 is an abundant number, since it is smaller than the sum of its proper divisors (1485763854920).

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

1121331211120 is a wasteful number, since it uses less digits than its factorization.

1121331211120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14016640152 (or 14016640146 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 1121331211120 its reverse (211121331211), we get a palindrome (1332452542331).

The spelling of 1121331211120 in words is "one trillion, one hundred twenty-one billion, three hundred thirty-one million, two hundred eleven thousand, one hundred twenty".