11233332331021 has 2 divisors, whose sum is σ = 11233332331022. Its totient is φ = 11233332331020.

The previous prime is 11233332331007. The next prime is 11233332331051. The reversal of 11233332331021 is 12013323333211.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10038847275396 + 1194485055625 = 3168414^2 + 1092925^2 .

It is a cyclic number.

It is not a de Polignac number, because 11233332331021 - 2⁷ = 11233332330893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11233332331051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5616666165510 + 5616666165511.

It is an arithmetic number, because the mean of its divisors is an integer number (5616666165511).

Almost surely, 2^{11233332331021} is an apocalyptic number.

It is an amenable number.

11233332331021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11233332331021 is an equidigital number, since it uses as much as digits as its factorization.

11233332331021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 28.

Adding to 11233332331021 its reverse (12013323333211), we get a palindrome (23246655664232).

The spelling of 11233332331021 in words is "eleven trillion, two hundred thirty-three billion, three hundred thirty-two million, three hundred thirty-one thousand, twenty-one".