210101010000 has 800 divisors, whose sum is σ = 809956730880. Its totient is φ = 45916416000.

The previous prime is 210101009999. The next prime is 210101010011. The reversal of 210101010000 is 10101012.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

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 159 ways as a sum of consecutive naturals, for example, 478589781 + ... + 478590219.

Almost surely, 2^210101010000 is an apocalyptic number.

210101010000 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 210101010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (404978365440).

210101010000 is an abundant number, since it is smaller than the sum of its proper divisors (599855720880).

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

210101010000 is a wasteful number, since it uses less digits than its factorization.

210101010000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573 (or 552 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 6.

Adding to 210101010000 its reverse (10101012), we get a palindrome (210111111012).

The spelling of 210101010000 in words is "two hundred ten billion, one hundred one million, ten thousand".