11022020012021 has 2 divisors, whose sum is σ = 11022020012022. Its totient is φ = 11022020012020.

The previous prime is 11022020011969. The next prime is 11022020012027. The reversal of 11022020012021 is 12021002022011.

11022020012021 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., 7288569070225 + 3733450941796 = 2699735^2 + 1932214^2 .

It is an emirp because it is prime and its reverse (12021002022011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11022020012021 - 2¹⁰ = 11022020010997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11022020011987 and 11022020012005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11022020012027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5511010006010 + 5511010006011.

It is an arithmetic number, because the mean of its divisors is an integer number (5511010006011).

Almost surely, 2^{11022020012021} is an apocalyptic number.

It is an amenable number.

11022020012021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11022020012021 is an equidigital number, since it uses as much as digits as its factorization.

11022020012021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 11022020012021 its reverse (12021002022011), we get a palindrome (23043022034032).

The spelling of 11022020012021 in words is "eleven trillion, twenty-two billion, twenty million, twelve thousand, twenty-one".