10101010100 has 72 divisors (see below), whose sum is σ = 22539140736. Its totient is φ = 3926880000.

The previous prime is 10101010079. The next prime is 10101010163. The reversal of 10101010100 is 101010101.

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1106555 + ... + 1115645.

Almost surely, 2^10101010100 is an apocalyptic number.

10101010100 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 10101010100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11269570368).

10101010100 is an abundant number, since it is smaller than the sum of its proper divisors (12438130636).

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

10101010100 is a wasteful number, since it uses less digits than its factorization.

10101010100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9417 (or 9410 counting only the distinct ones).

The product of its (nonzero) digits is 1, while the sum is 5.

Adding to 10101010100 its reverse (101010101), we get a palindrome (10202020201).

Subtracting from 10101010100 its reverse (101010101), we obtain a palindrome (9999999999).

10101010100 divided by its reverse (101010101) gives a square (100 = 10²).

The spelling of 10101010100 in words is "ten billion, one hundred one million, ten thousand, one hundred".