11020204011 has 16 divisors (see below), whose sum is σ = 14943598848. Its totient is φ = 7222404000.

The previous prime is 11020204007. The next prime is 11020204037. The reversal of 11020204011 is 11040202011.

It is a happy number.

It is not a de Polignac number, because 11020204011 - 2² = 11020204007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11020204081) 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, 640 + ... + 148461.

It is an arithmetic number, because the mean of its divisors is an integer number (933974928).

Almost surely, 2^11020204011 is an apocalyptic number.

11020204011 is a deficient number, since it is larger than the sum of its proper divisors (3923394837).

11020204011 is a wasteful number, since it uses less digits than its factorization.

11020204011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149522.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11020204011 its reverse (11040202011), we get a palindrome (22060406022).

The spelling of 11020204011 in words is "eleven billion, twenty million, two hundred four thousand, eleven".