1131323021120 has 56 divisors (see below), whose sum is σ = 2811091785984. Its totient is φ = 432854022656.

The previous prime is 1131323021107. The next prime is 1131323021159. The reversal of 1131323021120 is 211203231311.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 1131323021092 and 1131323021101.

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 7 ways as a sum of consecutive naturals, for example, 76848824 + ... + 76863543.

Almost surely, 2^{1131323021120} is an apocalyptic number.

1131323021120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131323021120 is an abundant number, since it is smaller than the sum of its proper divisors (1679768764864).

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

1131323021120 is a wasteful number, since it uses less digits than its factorization.

1131323021120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153712407 (or 153712397 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1131323021120 its reverse (211203231311), we get a palindrome (1342526252431).

The spelling of 1131323021120 in words is "one trillion, one hundred thirty-one billion, three hundred twenty-three million, twenty-one thousand, one hundred twenty".