11021020020211 has 8 divisors (see below), whose sum is σ = 11044659515904. Its totient is φ = 10997384661000.

The previous prime is 11021020020209. The next prime is 11021020020217. The reversal of 11021020020211 is 11202002012011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11021020020211 - 2¹ = 11021020020209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11021020020191 and 11021020020200.

It is not an unprimeable number, because it can be changed into a prime (11021020020217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4330086 + ... + 6386836.

It is an arithmetic number, because the mean of its divisors is an integer number (1380582439488).

Almost surely, 2^{11021020020211} is an apocalyptic number.

11021020020211 is a deficient number, since it is larger than the sum of its proper divisors (23639495693).

11021020020211 is a wasteful number, since it uses less digits than its factorization.

11021020020211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2068241.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 11021020020211 its reverse (11202002012011), we get a palindrome (22223022032222).

The spelling of 11021020020211 in words is "eleven trillion, twenty-one billion, twenty million, twenty thousand, two hundred eleven".