21200201012001 has 32 divisors (see below), whose sum is σ = 32179800314880. Its totient is φ = 12289047249600.

The previous prime is 21200201011991. The next prime is 21200201012051. The reversal of 21200201012001 is 10021010200212.

It is not a de Polignac number, because 21200201012001 - 2¹⁸ = 21200200749857 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (21200201012051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9112470 + ... + 11199888.

It is an arithmetic number, because the mean of its divisors is an integer number (1005618759840).

Almost surely, 2^{21200201012001} is an apocalyptic number.

It is an amenable number.

21200201012001 is a deficient number, since it is larger than the sum of its proper divisors (10979599302879).

21200201012001 is a wasteful number, since it uses less digits than its factorization.

21200201012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100837.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 21200201012001 its reverse (10021010200212), we get a palindrome (31221211212213).

The spelling of 21200201012001 in words is "twenty-one trillion, two hundred billion, two hundred one million, twelve thousand, one".