5220115222100 has 144 divisors (see below), whose sum is σ = 12211910137728. Its totient is φ = 1929749852160.

The previous prime is 5220115222081. The next prime is 5220115222111. The reversal of 5220115222100 is 12225110225.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 28078049 + ... + 28263351.

It is an arithmetic number, because the mean of its divisors is an integer number (84804931512).

Almost surely, 2^{5220115222100} is an apocalyptic number.

5220115222100 is a gapful number since it is divisible by the number (50) 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 5220115222100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6105955068864).

5220115222100 is an abundant number, since it is smaller than the sum of its proper divisors (6991794915628).

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

5220115222100 is a wasteful number, since it uses less digits than its factorization.

5220115222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185634 (or 185627 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 23.

The spelling of 5220115222100 in words is "five trillion, two hundred twenty billion, one hundred fifteen million, two hundred twenty-two thousand, one hundred".