121110331003120 has 80 divisors (see below), whose sum is σ = 282478121716320. Its totient is φ = 48289887306752.

The previous prime is 121110331003099. The next prime is 121110331003121. The reversal of 121110331003120 is 21300133011121.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110331003121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1440735651 + ... + 1440819709.

It is an arithmetic number, because the mean of its divisors is an integer number (3530976521454).

Almost surely, 2^{121110331003120} is an apocalyptic number.

121110331003120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121110331003120 is an abundant number, since it is smaller than the sum of its proper divisors (161367790713200).

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

121110331003120 is a wasteful number, since it uses less digits than its factorization.

121110331003120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141202 (or 141196 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 121110331003120 its reverse (21300133011121), we get a palindrome (142410464014241).

The spelling of 121110331003120 in words is "one hundred twenty-one trillion, one hundred ten billion, three hundred thirty-one million, three thousand, one hundred twenty".