10101001101010 has 16 divisors (see below), whose sum is σ = 18181975222872. Its totient is φ = 4040361942400.

The previous prime is 10101001100909. The next prime is 10101001101017. The reversal of 10101001101010 is 1010110010101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9950510640249 + 150490460761 = 3154443^2 + 387931^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10101001100984 and 10101001101002.

It is not an unprimeable number, because it can be changed into a prime (10101001101017) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3697981 + ... + 5820400.

Almost surely, 2^{10101001101010} is an apocalyptic number.

10101001101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10101001101010 is a deficient number, since it is larger than the sum of its proper divisors (8080974121862).

10101001101010 is a wasteful number, since it uses less digits than its factorization.

10101001101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9624509.

The product of its (nonzero) digits is 1, while the sum is 7.

Adding to 10101001101010 its reverse (1010110010101), we get a palindrome (11111111111111).

The spelling of 10101001101010 in words is "ten trillion, one hundred one billion, one million, one hundred one thousand, ten".