21022101113033 has 2 divisors, whose sum is σ = 21022101113034. Its totient is φ = 21022101113032.

The previous prime is 21022101113021. The next prime is 21022101113047. The reversal of 21022101113033 is 33031110122012.

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., 18707467495369 + 2314633617664 = 4325213^2 + 1521392^2 .

It is a cyclic number.

It is not a de Polignac number, because 21022101113033 - 2²² = 21022096918729 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 21022101112996 and 21022101113014.

It is not a weakly prime, because it can be changed into another prime (21022101113053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10511050556516 + 10511050556517.

It is an arithmetic number, because the mean of its divisors is an integer number (10511050556517).

Almost surely, 2^{21022101113033} is an apocalyptic number.

It is an amenable number.

21022101113033 is a deficient number, since it is larger than the sum of its proper divisors (1).

21022101113033 is an equidigital number, since it uses as much as digits as its factorization.

21022101113033 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21022101113033 its reverse (33031110122012), we get a palindrome (54053211235045).

The spelling of 21022101113033 in words is "twenty-one trillion, twenty-two billion, one hundred one million, one hundred thirteen thousand, thirty-three".