11010010121009 has 8 divisors (see below), whose sum is σ = 11663790191208. Its totient is φ = 10356911430400.

The previous prime is 11010010121003. The next prime is 11010010121021. The reversal of 11010010121009 is 90012101001011.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2271169561600 + 8738840559409 = 1507040^2 + 2956153^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 11010010121009 - 2¹² = 11010010116913 is a prime.

It is a super-2 number, since 2×11010010121009² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11010010121003) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170311622 + ... + 170376255.

It is an arithmetic number, because the mean of its divisors is an integer number (1457973773901).

Almost surely, 2^{11010010121009} is an apocalyptic number.

It is an amenable number.

11010010121009 is a deficient number, since it is larger than the sum of its proper divisors (653780070199).

11010010121009 is a wasteful number, since it uses less digits than its factorization.

11010010121009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340689795.

The product of its (nonzero) digits is 18, while the sum is 17.

The spelling of 11010010121009 in words is "eleven trillion, ten billion, ten million, one hundred twenty-one thousand, nine".