11330443232021 has 2 divisors, whose sum is σ = 11330443232022. Its totient is φ = 11330443232020.

The previous prime is 11330443231981. The next prime is 11330443232023. The reversal of 11330443232021 is 12023234403311.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9806480140900 + 1523963091121 = 3131530^2 + 1234489^2 .

It is an emirp because it is prime and its reverse (12023234403311) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11330443232021 - 2⁴² = 6932396720917 is a prime.

It is a Sophie Germain prime.

Together with 11330443232023, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11330443232023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5665221616010 + 5665221616011.

It is an arithmetic number, because the mean of its divisors is an integer number (5665221616011).

Almost surely, 2^{11330443232021} is an apocalyptic number.

It is an amenable number.

11330443232021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11330443232021 is an equidigital number, since it uses as much as digits as its factorization.

11330443232021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 11330443232021 its reverse (12023234403311), we get a palindrome (23353677635332).

The spelling of 11330443232021 in words is "eleven trillion, three hundred thirty billion, four hundred forty-three million, two hundred thirty-two thousand, twenty-one".