21002201012063 has 2 divisors, whose sum is σ = 21002201012064. Its totient is φ = 21002201012062.

The previous prime is 21002201012057. The next prime is 21002201012119. The reversal of 21002201012063 is 36021010220012.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21002201012063 - 2¹² = 21002201007967 is a prime.

It is a super-2 number, since 2×21002201012063² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21002201012003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10501100506031 + 10501100506032.

It is an arithmetic number, because the mean of its divisors is an integer number (10501100506032).

Almost surely, 2^{21002201012063} is an apocalyptic number.

21002201012063 is a deficient number, since it is larger than the sum of its proper divisors (1).

21002201012063 is an equidigital number, since it uses as much as digits as its factorization.

21002201012063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 21002201012063 its reverse (36021010220012), we get a palindrome (57023211232075).

The spelling of 21002201012063 in words is "twenty-one trillion, two billion, two hundred one million, twelve thousand, sixty-three".