11021020120011 has 32 divisors (see below), whose sum is σ = 16116821360640. Its totient is φ = 6643480096800.

The previous prime is 11021020120007. The next prime is 11021020120039. The reversal of 11021020120011 is 11002102012011.

11021020120011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11021020120011 - 2² = 11021020120007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021020124011) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 45001056 + ... + 45245298.

It is an arithmetic number, because the mean of its divisors is an integer number (503650667520).

Almost surely, 2^{11021020120011} is an apocalyptic number.

11021020120011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021020120011 is a deficient number, since it is larger than the sum of its proper divisors (5095801240629).

11021020120011 is a wasteful number, since it uses less digits than its factorization.

11021020120011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251607.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 11021020120011 its reverse (11002102012011), we get a palindrome (22023122132022).

The spelling of 11021020120011 in words is "eleven trillion, twenty-one billion, twenty million, one hundred twenty thousand, eleven".