1121100332120 has 64 divisors (see below), whose sum is σ = 2676104762400. Its totient is φ = 421231974400.

The previous prime is 1121100332117. The next prime is 1121100332159. The reversal of 1121100332120 is 212330011211.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1273406 + ... + 1965645.

Almost surely, 2^{1121100332120} is an apocalyptic number.

1121100332120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121100332120 is an abundant number, since it is smaller than the sum of its proper divisors (1555004430280).

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

1121100332120 is a wasteful number, since it uses less digits than its factorization.

1121100332120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3239588 (or 3239584 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 1121100332120 its reverse (212330011211), we get a palindrome (1333430343331).

The spelling of 1121100332120 in words is "one trillion, one hundred twenty-one billion, one hundred million, three hundred thirty-two thousand, one hundred twenty".