2521224140120 has 192 divisors, whose sum is σ = 6996341770560. Its totient is φ = 812494233600.

The previous prime is 2521224140089. The next prime is 2521224140131. The reversal of 2521224140120 is 210414221252.

It is a super-2 number, since 2×2521224140120² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2521224140120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25306805 + ... + 25406235.

It is an arithmetic number, because the mean of its divisors is an integer number (36439280055).

Almost surely, 2^{2521224140120} is an apocalyptic number.

2521224140120 is a gapful number since it is divisible by the number (20) 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 2521224140120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3498170885280).

2521224140120 is an abundant number, since it is smaller than the sum of its proper divisors (4475117630440).

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

2521224140120 is a wasteful number, since it uses less digits than its factorization.

2521224140120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100234 (or 100223 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

Adding to 2521224140120 its reverse (210414221252), we get a palindrome (2731638361372).

The spelling of 2521224140120 in words is "two trillion, five hundred twenty-one billion, two hundred twenty-four million, one hundred forty thousand, one hundred twenty".