121141231120 has 160 divisors (see below), whose sum is σ = 346862799360. Its totient is φ = 38315704320.

The previous prime is 121141231103. The next prime is 121141231121. The reversal of 121141231120 is 21132141121.

It is a super-3 number, since 3×121141231120³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (121141231121) 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, 14839840 + ... + 14848000.

It is an arithmetic number, because the mean of its divisors is an integer number (2167892496).

Almost surely, 2^121141231120 is an apocalyptic number.

121141231120 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 121141231120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (173431399680).

121141231120 is an abundant number, since it is smaller than the sum of its proper divisors (225721568240).

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

121141231120 is a wasteful number, since it uses less digits than its factorization.

121141231120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10233 (or 10227 counting only the distinct ones).

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

Adding to 121141231120 its reverse (21132141121), we get a palindrome (142273372241).

The spelling of 121141231120 in words is "one hundred twenty-one billion, one hundred forty-one million, two hundred thirty-one thousand, one hundred twenty".