11010020121011 has 16 divisors (see below), whose sum is σ = 11111604655200. Its totient is φ = 10908762220800.

The previous prime is 11010020120947. The next prime is 11010020121019. The reversal of 11010020121011 is 11012102001011.

It is a cyclic number.

It is not a de Polignac number, because 11010020121011 - 2⁶ = 11010020120947 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010020120983 and 11010020121001.

It is not an unprimeable number, because it can be changed into a prime (11010020121019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 735513935 + ... + 735528903.

It is an arithmetic number, because the mean of its divisors is an integer number (694475290950).

Almost surely, 2^{11010020121011} is an apocalyptic number.

11010020121011 is a deficient number, since it is larger than the sum of its proper divisors (101584534189).

11010020121011 is a wasteful number, since it uses less digits than its factorization.

11010020121011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25430.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11010020121011 its reverse (11012102001011), we get a palindrome (22022122122022).

The spelling of 11010020121011 in words is "eleven trillion, ten billion, twenty million, one hundred twenty-one thousand, eleven".