11020232021 has 2 divisors, whose sum is σ = 11020232022. Its totient is φ = 11020232020.

The previous prime is 11020231991. The next prime is 11020232023. The reversal of 11020232021 is 12023202011.

It is a happy number.

11020232021 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., 10944298225 + 75933796 = 104615^2 + 8714^2 .

It is a cyclic number.

It is not a de Polignac number, because 11020232021 - 2²⁶ = 10953123157 is a prime.

Together with 11020232023, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 11020231987 and 11020232005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020232023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5510116010 + 5510116011.

It is an arithmetic number, because the mean of its divisors is an integer number (5510116011).

Almost surely, 2^11020232021 is an apocalyptic number.

It is an amenable number.

11020232021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020232021 is an equidigital number, since it uses as much as digits as its factorization.

11020232021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11020232021 its reverse (12023202011), we get a palindrome (23043434032).

The spelling of 11020232021 in words is "eleven billion, twenty million, two hundred thirty-two thousand, twenty-one".