11001010101010 has 16 divisors (see below), whose sum is σ = 19806055761816. Its totient is φ = 4399462355968.

The previous prime is 11001010101007. The next prime is 11001010101019. The reversal of 11001010101010 is 1010101010011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10766673750121 + 234336350889 = 3281261^2 + 484083^2 .

11001010101010 is a modest number, since divided by 10101010 gives 110010 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 11001010100984 and 11001010101002.

It is not an unprimeable number, because it can be changed into a prime (11001010101019) 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 7 ways as a sum of consecutive naturals, for example, 117661489 + ... + 117754948.

Almost surely, 2^{11001010101010} is an apocalyptic number.

11001010101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11001010101010 is a deficient number, since it is larger than the sum of its proper divisors (8805045660806).

11001010101010 is a wasteful number, since it uses less digits than its factorization.

11001010101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235421117.

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

Adding to 11001010101010 its reverse (1010101010011), we get a palindrome (12011111111021).

Subtracting from 11001010101010 its reverse (1010101010011), we obtain a palindrome (9990909090999).

The spelling of 11001010101010 in words is "eleven trillion, one billion, ten million, one hundred one thousand, ten".