501101050120 has 256 divisors, whose sum is σ = 1381714329600. Its totient is φ = 161188392960.

The previous prime is 501101050111. The next prime is 501101050127. The reversal of 501101050120 is 21050101105.

It is a super-2 number, since 2×501101050120² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 501101050094 and 501101050103.

It is not an unprimeable number, because it can be changed into a prime (501101050127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 18035359 + ... + 18063121.

It is an arithmetic number, because the mean of its divisors is an integer number (5397321600).

Almost surely, 2^501101050120 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 501101050120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (690857164800).

501101050120 is an abundant number, since it is smaller than the sum of its proper divisors (880613279480).

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

501101050120 is a wasteful number, since it uses less digits than its factorization.

501101050120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27948 (or 27944 counting only the distinct ones).

The product of its (nonzero) digits is 50, while the sum is 16.

Adding to 501101050120 its reverse (21050101105), we get a palindrome (522151151225).

The spelling of 501101050120 in words is "five hundred one billion, one hundred one million, fifty thousand, one hundred twenty".