1121200011120 has 120 divisors (see below), whose sum is σ = 4043184572304. Its totient is φ = 256274285568.

The previous prime is 1121200011091. The next prime is 1121200011137. The reversal of 1121200011120 is 211100021211.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1121200011096 and 1121200011105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 47658309 + ... + 47681828.

Almost surely, 2^{1121200011120} is an apocalyptic number.

1121200011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121200011120 is an abundant number, since it is smaller than the sum of its proper divisors (2921984561184).

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

1121200011120 is a wasteful number, since it uses less digits than its factorization.

1121200011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95340167 (or 95340154 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1121200011120 its reverse (211100021211), we get a palindrome (1332300032331).

The spelling of 1121200011120 in words is "one trillion, one hundred twenty-one billion, two hundred million, eleven thousand, one hundred twenty".