21200200011001 has 32 divisors (see below), whose sum is σ = 24456123417600. Its totient is φ = 18175084200000.

The previous prime is 21200200010989. The next prime is 21200200011017. The reversal of 21200200011001 is 10011000200212.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21200200011001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21200200011061) 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, 89534196 + ... + 89770666.

It is an arithmetic number, because the mean of its divisors is an integer number (764253856800).

Almost surely, 2^{21200200011001} is an apocalyptic number.

It is an amenable number.

21200200011001 is a deficient number, since it is larger than the sum of its proper divisors (3255923406599).

21200200011001 is a wasteful number, since it uses less digits than its factorization.

21200200011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238461.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 21200200011001 its reverse (10011000200212), we get a palindrome (31211200211213).

The spelling of 21200200011001 in words is "twenty-one trillion, two hundred billion, two hundred million, eleven thousand, one".