121020113040224 has 96 divisors (see below), whose sum is σ = 257698709452800. Its totient is φ = 55749540349440.

The previous prime is 121020113040223. The next prime is 121020113040227. The reversal of 121020113040224 is 422040311020121.

It is a super-3 number, since 3×121020113040224³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 121020113040224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121020113040223) 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, 46214867 + ... + 48763245.

It is an arithmetic number, because the mean of its divisors is an integer number (2684361556800).

Almost surely, 2^{121020113040224} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 121020113040224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128849354726400).

121020113040224 is an abundant number, since it is smaller than the sum of its proper divisors (136678596412576).

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

121020113040224 is a wasteful number, since it uses less digits than its factorization.

121020113040224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2550556 (or 2550548 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 121020113040224 its reverse (422040311020121), we get a palindrome (543060424060345).

The spelling of 121020113040224 in words is "one hundred twenty-one trillion, twenty billion, one hundred thirteen million, forty thousand, two hundred twenty-four".