10210101010 has 8 divisors (see below), whose sum is σ = 18378181836. Its totient is φ = 4084040400.

The previous prime is 10210100993. The next prime is 10210101017. The reversal of 10210101010 is 1010101201.

It can be written as a sum of positive squares in 2 ways, for example, as 9324026721 + 886074289 = 96561^2 + 29767^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

10210101010 is a modest number, since divided by 101010 gives 10210 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 10210100984 and 10210101002.

It is not an unprimeable number, because it can be changed into a prime (10210101017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 510505041 + ... + 510505060.

Almost surely, 2^10210101010 is an apocalyptic number.

10210101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10210101010 is a deficient number, since it is larger than the sum of its proper divisors (8168080826).

10210101010 is a wasteful number, since it uses less digits than its factorization.

10210101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1021010108.

The product of its (nonzero) digits is 2, while the sum is 7.

Adding to 10210101010 its reverse (1010101201), we get a palindrome (11220202211).

The spelling of 10210101010 in words is "ten billion, two hundred ten million, one hundred one thousand, ten".