10101010500 has 384 divisors, whose sum is σ = 37802419200. Its totient is φ = 2280960000.

The previous prime is 10101010481. The next prime is 10101010523. The reversal of 10101010500 is 501010101.

It is a super-2 number, since 2×10101010500² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 8409900 + ... + 8411100.

It is an arithmetic number, because the mean of its divisors is an integer number (98443800).

Almost surely, 2^10101010500 is an apocalyptic number.

10101010500 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 10101010500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18901209600).

10101010500 is an abundant number, since it is smaller than the sum of its proper divisors (27701408700).

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

10101010500 is a wasteful number, since it uses less digits than its factorization.

10101010500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1325 (or 1307 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

Adding to 10101010500 its reverse (501010101), we get a palindrome (10602020601).

The spelling of 10101010500 in words is "ten billion, one hundred one million, ten thousand, five hundred".