11021020021011 has 216 divisors, whose sum is σ = 20381883600960. Its totient is φ = 5275376346240.

The previous prime is 11021020020961. The next prime is 11021020021013. The reversal of 11021020021011 is 11012002012011.

It is not a de Polignac number, because 11021020021011 - 2⁹ = 11021020020499 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11021020021013) by changing a digit.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 1860712896 + ... + 1860718818.

Almost surely, 2^{11021020021011} is an apocalyptic number.

11021020021011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

11021020021011 is a deficient number, since it is larger than the sum of its proper divisors (9360863579949).

11021020021011 is a wasteful number, since it uses less digits than its factorization.

11021020021011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607 (or 6576 counting only the distinct ones).

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

Adding to 11021020021011 its reverse (11012002012011), we get a palindrome (22033022033022).

The spelling of 11021020021011 in words is "eleven trillion, twenty-one billion, twenty million, twenty-one thousand, eleven".