11021201020011 has 24 divisors (see below), whose sum is σ = 18185447504640. Its totient is φ = 5813380755936.

The previous prime is 11021201019973. The next prime is 11021201020091. The reversal of 11021201020011 is 11002010212011.

It is not a de Polignac number, because 11021201020011 - 2¹¹ = 11021201017963 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021201020091) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1552715671 + ... + 1552722768.

It is an arithmetic number, because the mean of its divisors is an integer number (757726979360).

Almost surely, 2^{11021201020011} is an apocalyptic number.

11021201020011 is a deficient number, since it is larger than the sum of its proper divisors (7164246484629).

11021201020011 is a wasteful number, since it uses less digits than its factorization.

11021201020011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3105438475 (or 3105438462 counting only the distinct ones).

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

Adding to 11021201020011 its reverse (11002010212011), we get a palindrome (22023211232022).

The spelling of 11021201020011 in words is "eleven trillion, twenty-one billion, two hundred one million, twenty thousand, eleven".