2001220069333 has 2 divisors, whose sum is σ = 2001220069334. Its totient is φ = 2001220069332.

The previous prime is 2001220069249. The next prime is 2001220069357. The reversal of 2001220069333 is 3339600221002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1062728006769 + 938492062564 = 1030887^2 + 968758^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2001220069333 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2001220069295 and 2001220069304.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2001220069733) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000610034666 + 1000610034667.

It is an arithmetic number, because the mean of its divisors is an integer number (1000610034667).

Almost surely, 2^{2001220069333} is an apocalyptic number.

It is an amenable number.

2001220069333 is a deficient number, since it is larger than the sum of its proper divisors (1).

2001220069333 is an equidigital number, since it uses as much as digits as its factorization.

2001220069333 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11664, while the sum is 31.

The spelling of 2001220069333 in words is "two trillion, one billion, two hundred twenty million, sixty-nine thousand, three hundred thirty-three".