21411380222633 has 2 divisors, whose sum is σ = 21411380222634. Its totient is φ = 21411380222632.

The previous prime is 21411380222629. The next prime is 21411380222653. The reversal of 21411380222633 is 33622208311412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16908313728784 + 4503066493849 = 4111972^2 + 2122043^2 .

It is a cyclic number.

It is not a de Polignac number, because 21411380222633 - 2² = 21411380222629 is a prime.

It is not a weakly prime, because it can be changed into another prime (21411380222623) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705690111316 + 10705690111317.

It is an arithmetic number, because the mean of its divisors is an integer number (10705690111317).

Almost surely, 2^{21411380222633} is an apocalyptic number.

It is an amenable number.

21411380222633 is a deficient number, since it is larger than the sum of its proper divisors (1).

21411380222633 is an equidigital number, since it uses as much as digits as its factorization.

21411380222633 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The spelling of 21411380222633 in words is "twenty-one trillion, four hundred eleven billion, three hundred eighty million, two hundred twenty-two thousand, six hundred thirty-three".