11021011202009 has 2 divisors, whose sum is σ = 11021011202010. Its totient is φ = 11021011202008.

The previous prime is 11021011201987. The next prime is 11021011202011. The reversal of 11021011202009 is 90020211012011.

11021011202009 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6882899166784 + 4138112035225 = 2623528^2 + 2034235^2 .

It is a cyclic number.

It is not a de Polignac number, because 11021011202009 - 2¹² = 11021011197913 is a prime.

Together with 11021011202011, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11021011202309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510505601004 + 5510505601005.

It is an arithmetic number, because the mean of its divisors is an integer number (5510505601005).

Almost surely, 2^{11021011202009} is an apocalyptic number.

It is an amenable number.

11021011202009 is a deficient number, since it is larger than the sum of its proper divisors (1).

11021011202009 is an equidigital number, since it uses as much as digits as its factorization.

11021011202009 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 11021011202009 in words is "eleven trillion, twenty-one billion, eleven million, two hundred two thousand, nine".