21200201020067 has 2 divisors, whose sum is σ = 21200201020068. Its totient is φ = 21200201020066.

The previous prime is 21200201019997. The next prime is 21200201020079. The reversal of 21200201020067 is 76002010200212.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 21200201020067 - 2³² = 21195906052771 is a prime.

It is not a weakly prime, because it can be changed into another prime (21200201020087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10600100510033 + 10600100510034.

It is an arithmetic number, because the mean of its divisors is an integer number (10600100510034).

Almost surely, 2^{21200201020067} is an apocalyptic number.

21200201020067 is a deficient number, since it is larger than the sum of its proper divisors (1).

21200201020067 is an equidigital number, since it uses as much as digits as its factorization.

21200201020067 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 23.

Adding to 21200201020067 its reverse (76002010200212), we get a palindrome (97202211220279).

The spelling of 21200201020067 in words is "twenty-one trillion, two hundred billion, two hundred one million, twenty thousand, sixty-seven".