1121012011120 has 40 divisors (see below), whose sum is σ = 2608548894864. Its totient is φ = 448027003392.

The previous prime is 1121012011099. The next prime is 1121012011121. The reversal of 1121012011120 is 211102101211.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 1121012011120.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1121012011121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5807589 + ... + 5997508.

Almost surely, 2^{1121012011120} is an apocalyptic number.

1121012011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121012011120 is an abundant number, since it is smaller than the sum of its proper divisors (1487536883744).

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

1121012011120 is a wasteful number, since it uses less digits than its factorization.

1121012011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11806297 (or 11806291 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1121012011120 its reverse (211102101211), we get a palindrome (1332114112331).

Subtracting from 1121012011120 its reverse (211102101211), we obtain a palindrome (909909909909).

The spelling of 1121012011120 in words is "one trillion, one hundred twenty-one billion, twelve million, eleven thousand, one hundred twenty".