121110001220120 has 32 divisors (see below), whose sum is σ = 297270002995920. Its totient is φ = 44040000443520.

The previous prime is 121110001220119. The next prime is 121110001220129. The reversal of 121110001220120 is 21022100011121.

121110001220120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 121110001220095 and 121110001220104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121110001220129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137625000947 + ... + 137625001826.

Almost surely, 2^{121110001220120} is an apocalyptic number.

121110001220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121110001220120 is an abundant number, since it is smaller than the sum of its proper divisors (176160001775800).

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

121110001220120 is a wasteful number, since it uses less digits than its factorization.

121110001220120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275250002795 (or 275250002791 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 121110001220120 its reverse (21022100011121), we get a palindrome (142132101231241).

The spelling of 121110001220120 in words is "one hundred twenty-one trillion, one hundred ten billion, one million, two hundred twenty thousand, one hundred twenty".