1141231120120 has 256 divisors, whose sum is σ = 3360638211840. Its totient is φ = 338471682048.

The previous prime is 1141231120111. The next prime is 1141231120147. The reversal of 1141231120120 is 210211321411.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14378464 + ... + 14457616.

It is an arithmetic number, because the mean of its divisors is an integer number (13127493015).

Almost surely, 2^{1141231120120} is an apocalyptic number.

1141231120120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1141231120120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1680319105920).

1141231120120 is an abundant number, since it is smaller than the sum of its proper divisors (2219407091720).

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

1141231120120 is a wasteful number, since it uses less digits than its factorization.

1141231120120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79434 (or 79430 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 19.

Adding to 1141231120120 its reverse (210211321411), we get a palindrome (1351442441531).

The spelling of 1141231120120 in words is "one trillion, one hundred forty-one billion, two hundred thirty-one million, one hundred twenty thousand, one hundred twenty".