121102010121120 has 384 divisors, whose sum is σ = 451366229164032. Its totient is φ = 26708045414400.

The previous prime is 121102010121107. The next prime is 121102010121149. The reversal of 121102010121120 is 21121010201121.

It is a happy number.

121102010121120 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 121102010121120.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 33376915 + ... + 36826925.

It is an arithmetic number, because the mean of its divisors is an integer number (1175432888448).

Almost surely, 2^{121102010121120} is an apocalyptic number.

121102010121120 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 121102010121120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (225683114582016).

121102010121120 is an abundant number, since it is smaller than the sum of its proper divisors (330264219042912).

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

121102010121120 is a wasteful number, since it uses less digits than its factorization.

121102010121120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3450404 (or 3450396 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 121102010121120 its reverse (21121010201121), we get a palindrome (142223020322241).

The spelling of 121102010121120 in words is "one hundred twenty-one trillion, one hundred two billion, ten million, one hundred twenty-one thousand, one hundred twenty".