21211001200201 has 8 divisors (see below), whose sum is σ = 23435172681984. Its totient is φ = 19095325888320.

The previous prime is 21211001200187. The next prime is 21211001200271. The reversal of 21211001200201 is 10200210011212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 21211001200201 - 2¹³ = 21211001192009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21211001200271) 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 7 ways as a sum of consecutive naturals, for example, 27124042065 + ... + 27124042846.

It is an arithmetic number, because the mean of its divisors is an integer number (2929396585248).

Almost surely, 2^{21211001200201} is an apocalyptic number.

It is an amenable number.

21211001200201 is a deficient number, since it is larger than the sum of its proper divisors (2224171481783).

21211001200201 is a wasteful number, since it uses less digits than its factorization.

21211001200201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54248084951.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 21211001200201 its reverse (10200210011212), we get a palindrome (31411211211413).

The spelling of 21211001200201 in words is "twenty-one trillion, two hundred eleven billion, one million, two hundred thousand, two hundred one".