2010101010 has 64 divisors (see below), whose sum is σ = 5086627200. Its totient is φ = 506967552.

The previous prime is 2010100931. The next prime is 2010101017. The reversal of 2010101010 is 101010102.

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

2010101010 is a modest number, since divided by 101010 gives 2010 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 2010101010.

It is not an unprimeable number, because it can be changed into a prime (2010101017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 383286 + ... + 388494.

It is an arithmetic number, because the mean of its divisors is an integer number (79478550).

Almost surely, 2^2010101010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2010101010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2543313600).

2010101010 is an abundant number, since it is smaller than the sum of its proper divisors (3076526190).

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

2010101010 is a wasteful number, since it uses less digits than its factorization.

2010101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5915.

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

The square root of 2010101010 is about 44834.1500421275. The cubic root of 2010101010 is about 1262.0385682275.

Adding to 2010101010 its reverse (101010102), we get a palindrome (2111111112).

The spelling of 2010101010 in words is "two billion, ten million, one hundred one thousand, ten".