1131033120120 has 128 divisors (see below), whose sum is σ = 3771016704000. Its totient is φ = 301536328320.

The previous prime is 1131033119987. The next prime is 1131033120121. The reversal of 1131033120120 is 210213301311.

1131033120120 is a `hidden beast` number, since 1 + 1 + 310 + 331 + 2 + 0 + 1 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1131033120093 and 1131033120102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131033120121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4445721 + ... + 4693239.

It is an arithmetic number, because the mean of its divisors is an integer number (29461068000).

Almost surely, 2^{1131033120120} is an apocalyptic number.

1131033120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131033120120 is an abundant number, since it is smaller than the sum of its proper divisors (2639983583880).

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

1131033120120 is a wasteful number, since it uses less digits than its factorization.

1131033120120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251770 (or 251760 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1131033120120 its reverse (210213301311), we get a palindrome (1341246421431).

The spelling of 1131033120120 in words is "one trillion, one hundred thirty-one billion, thirty-three million, one hundred twenty thousand, one hundred twenty".