21332203120049 has 2 divisors, whose sum is σ = 21332203120050. Its totient is φ = 21332203120048.

The previous prime is 21332203119991. The next prime is 21332203120051. The reversal of 21332203120049 is 94002130223312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21326431983025 + 5771137024 = 4618055^2 + 75968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21332203120049 is a prime.

Together with 21332203120051, 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 = 21332203119997 and 21332203120024.

It is not a weakly prime, because it can be changed into another prime (21332203170049) 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, 10666101560024 + 10666101560025.

It is an arithmetic number, because the mean of its divisors is an integer number (10666101560025).

Almost surely, 2^{21332203120049} is an apocalyptic number.

It is an amenable number.

21332203120049 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332203120049 is an equidigital number, since it uses as much as digits as its factorization.

21332203120049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 32.

The spelling of 21332203120049 in words is "twenty-one trillion, three hundred thirty-two billion, two hundred three million, one hundred twenty thousand, forty-nine".